Visit science.nasa.gov for the full story. NASA's Voyager probes have reached the edge of the solar system and found something surprising there--a froth of magnetic bubbles separating us from the rest of the galaxy.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News cosmic rays Voyager interstellar space Solar System Science At
Visit science.nasa.gov for the full story. More than 30 years after they were launched, NASA's two Voyager probes have traveled to the edge of the solar system and are on the doorstep of interstellar space.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News Voyager interstellar space heliosphere golden record Science At
Visit science.nasa.gov for more! The Great Morning Planet Show of May 2011 is underway. Wake up before sunrise any day this month to see a shape-shifting alignment of heavenly lights.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News planets sky watching Mars Jupiter Venus Mercury Science At
Visit science.nasa.gov for the full story. Mark your calendar. On March 19th, a full Moon of rare size and beauty will rise in the east at sunset. It's a super "perigee moon"--the biggest in almost 20 years. Correction: This video remarks on the Super Moon of 1983, however the correct year is 1993. We apologize for any confusion this may have caused.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News full Moon super moon tides Moon illusion perigee Science At
Visit science.nasa.gov for the full story. NASA's newest rover Curiosity is getting ready to leave Earth. It's destination: Gale crater on Mars. Today's story from Science@NASA explains the attraction of this Martian crater with a strangely-sculpted mountain the middle.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News Mars rover curiosity Red Planet Science At
This video was updated, please visit www.youtube.com for the latest version! Visit science.nasa.gov for the full story. On Dec 10th, sky watchers in the western United States will witness a total lunar eclipse swollen to super-sized proportions by the Moon illusion.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News lunar eclipse total eclipse of the Moon stratosphere atmospheric science Science At
Visit science.nasa.gov for more! With a burst of solar flares and Northern Lights, the sun is waking up from a three-year slumber.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News space weather solar activity geomagnetic storms solar flares heliophysics Science At
Visit science.nasa.gov for more. How can a world without air have an ionosphere? Somehow the Moon has done it. Lunar researchers have been struggling with this mystery for years, and they may have finally found a solution.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News Moon exosphere communication navigation ionosphere alien atmospheres moondust Science At
Visit science.nasa.gov for the full story. NASA has announced the results of an epic physics experiment which confirms the reality of a space-time vortex around our planet.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News Einstein gravity relativity space time Science At
Visit science.nasa.gov for the full story. For reasons researchers do not understand, the rate of midnight fireballs increases during the weeks around the vernal equinox. It's a beautiful display, but where do they come from? NASA's growing network of fireball cameras is scanning the heavens for answers.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News shooting star meteor fireball vernal equinox spring astronomy Science At
Updated version! Visit science.nasa.gov for the full story. On Dec 10th, sky watchers in the western United States will witness a total lunar eclipse swollen to super-sized proportions by the Moon illusion. Interactive visibility map courtesy of Larry Koehn: www.shadowandsubstance.com
NASA sciencecasts SMD Science Mission Directorate Science@NASA News lunar eclipse total eclipse of the Moon stratosphere atmospheric science Science At
Visit science.nasa.gov for the full story. Using a Japanese telescope, NASA-supported researchers have found the first clear case of a star with spiral arms.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News star formation circumstellar disks planets spiral Subaru Science At
Visit science.nasa.gov for the full story. For four long centuries the gas giant's vast interior has remained hidden from view. NASA's Juno probe, scheduled to launch on August 5th, could change all that.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News Juno Jupiter auroras Science At
Visit science.nasa.gov for more! On July 5th, a comet dove into the sun and disintegrated. New footage just released by NASA shows the final stages of the comet's death plunge.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News comet sun solar activity Solar Dynamics Observatory Science At
Visit science.nasa.gov for the full story. A NASA space telescope named "GALEX" has found stars forming in extreme galactic environments, places where researchers thought stars should not be. The finding could affect astronomy much as the discovery of microbial extremophiles affected biology in the 1970s.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News stars galaxy extremophiles star formation evolution Science At
Visit science.nasa.gov for the full story. When solar activity recently plunged into a century-class minimum, many experts were puzzled. Now a group of researchers say they have cracked the mystery of the missing sunspots.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News space weather sunspots solar activity heliophysics Science At
Visit science.nasa.gov for the full story. High overhead, out of the darkness, a bright light surges into view. For 5 to 10 seconds it outshines the brightest stars in the sky, mimicking a supernova, perhaps even casting faint shadows at your feet. The silence is broken by your own excited shouts. Could this happen to you? It could, if you happen to be outside when NanoSail-D flies by. Find more information on flybys at spaceweather.com
NASA sciencecasts SMD Science Mission Directorate Science@NASA News nanosail-D Science At
Visit science.nasa.gov for more. A distant world is being hit by solar storms so ferocious, the entire planet is probably enveloped in auroras. Researchers speculate that the display is probably as beautiful as it is terrifying.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News space weather Chandra X-rays solar flares Science At
Visit science.nasa.gov for the full story. The Fermi Gamma-ray Space Telescope recently produced a map of the night sky. Out of 1873 new sources, nearly 600 were complete mysteries. In this week's ScienceCast, researchers speculate on the nature of the mystery objects - including the possibility that they are made of dark matter.
dark matter gamma rays Fermi black hole galaxy Science At NASA
Visit science.nasa.gov for more. Dwarf planet Pluto is a world of mystery waiting to be visited for the first time. NASA's New Horizons probe is racing across the solar system for a ground breaking close encounter that could dramatically alter what researchers "know" about Pluto and other small worlds.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News dwarf planet Pluto Kuiper Belt New Horizons Science At
Visit science.nasa.gov for the full story. Did our planet once have two moons? Some researchers say so. Moreover, the missing satellite might still be up there--splattered across the far side of the Moon. NASA's GRAIL mission could help confirm or refute the "two moon" hypothesis.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News GRAIL farside of the moon lunar gravity origins Science At
Visit science.nasa.gov for more. On August 13th, space station astronaut Ron Garan photographed a centimeter-sized chunk of comet debris disintegrating in Earth's atmosphere. His rare photo of a meteor from Earth orbit is a must-see.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News Perseid meteor shower ISS space station fireballs Science At
Visit science.nasa.gov for more! Stars are bright, but their planets are not, which makes planet hunting difficult. However, NASA's ultraviolet telescope GALEX may be providing a solution.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News GALEX ultraviolet telescope luminosity planetary system m-class stars exoplanets Science At
Visit science.nasa.gov for the full story. Record snowfall, killer tornadoes, devastating floods: There's no doubt about it. Since Dec. 2010, the weather in the USA has been positively wild. But why?
NASA sciencecasts SMD Science Mission Directorate Science@NASA News La Nina El Nino jet stream weather Science At
Visit science.nasa.gov for more! Something is exploding in the Crab Nebula ten billion times more powerful than a solar flare. These "superflares" are baffling astronomers who haven't yet figured out the source of the blasts.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News supernova flares gamma rays explosions particle accelerator Science At
Visit science.nasa.gov for the full story. Last month, NASA scientists got a rare chance to study "thundersnow" first-hand when a freak winter storm rolled right over their research center.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News lightning snow thundersnow extreme weather NASA Earth Science Science At
Visit science.nasa.gov for the full story. Researchers have just discovered that solar flares have been keeping a secret--and it's a big one.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News solar flares heliophysics space weather Science At
Visit science.nasa.gov for the full story. It's been more than a year since NASA has heard from Mars rover Spirit. The agency says it may be time to say "thanks and farewell."
NASA sciencecasts SMD Science Mission Directorate Science@NASA News Mars rover Spirit Opportunity Red Planet Science At
Visit science.nasa.gov for the full story. Aquarius is the first NASA sensor to track ocean salinity from space, and aims to help uncover how the salinity of Earth's oceans are effecting our climate.
Sea salt salinity Aquarius microwave radiometer NASA sciencecasts SMD Science Mission Directorate Science@NASA News Science At
Visit science.nasa.gov for more. The same kind of oxygen humans breath on Earth has been found in deep space. It's a breath of fresh air for astronomers who have been searching for cosmic "O2" until now without success.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News oxygen stars Orion nebula space telescope Science At
Visit science.nasa.gov for the full story. Earth is about to pass through a stream of dust from Halley's Comet, source of the annual eta Aquarid meteor shower. The show begins before sunrise on May 6th.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News meteors comets Halley's Comet comet dust sky watching Science At
Visit science.nasa.gov for the full story. If you're camping out and can't sleep, maybe your slumber is being interrupted by the flash of meteors. The summer Perseid meteor shower is getting underway as Earth enters the debris stream from comet Swift-Tuttle.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News Perseid meteor shower comets Swift-Tuttle Science At
Visit science.nasa.gov for the full story. NASA's Dawn spacecraft doesn't do things like other missions. In July it slipped into orbit around asteroid Vesta using a smooth move that made mission planners want to get up and dance.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News asteroid belt Vesta Ceres Dawn ion propulsion solar system exploration Science At
Visit science.nasa.gov for the full story. NASA's Dawn probe, now orbiting Vesta in the asteroid belt, has found some surprising things on the giant asteroid--things that have prompted one researcher to declare Vesta "the smallest terrestrial planet."
NASA sciencecasts SMD Science Mission Directorate Science@NASA News asteroid dwarf planet Dawn asteroid belt protoplanet Science At
NASA has just released new movies of an "inky-dark" solar explosion that continues to puzzle experts more than a month after it happened.
A NASA space telescope named "GALEX" has found stars forming in extreme galactic environments, places where researchers thought stars should not be. The finding could affect astronomy much as the discovery of microbial extremophiles affected biology in the 1970s.
The Fermi Gamma-ray Space Telescope recently produced a map of the night sky. Out of 1873 new sources, nearly 600 were complete mysteries. In this week's ScienceCast, researchers speculate on the nature of the mystery objects - including the possibility that they are made of dark matter.
Visit science.nasa.gov for the full story. Stars as cold as the human body? Believe it. A NASA spacecraft has discovered a half-dozen "Y Dwarfs" with atmospheric temperatures as low as 80 F.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News stars galaxy Milky Way brown dwarf red dwarf Science At
Using a Japanese telescope, NASA-supported researchers have found the first clear case of a star with spiral arms.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News star formation circumstellar disks planets spiral Subaru nasatelevision
Visit science.nasa.gov for more! Strange quantum fluids that love to sneak out of cups have been found trapped inside the core of a dead neutron star.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News superfluid quantum supernova neutron star Chandra x-ray astronomy Science At
Visit science.nasa.gov for the more. A new iPhone app just released by NASA harnesses the power of citizen scientists to track space debris around Earth.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News meteor meteorite citizen science Geminids Leonids Perseids Science At
Visit science.nasa.gov for more. Scientists studying data from NASA's Galileo probe have discovered what appears to be a body of liquid water the volume of the North American Great Lakes locked inside the icy shell of Jupiter's moon Europa. This improves the odds that Europa is a habitat for extraterrestrial life.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News astrobiology extraterrestrial life Europa Jupiter extremophiles Science At
Visit science.nasa.gov for the full story. NASA's MESSENGER probe has discovered a surprise on Mercury: Something is digging "hollows" in the surface of the innermost planet.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News Mercury planetary science Halloween space weather volcanoes Science At
Visit science.nasa.gov for the full story. Forecasters say Earth is heading for a stream of dust from Comet 21P/Giacobini-Zinner. A close encounter with the comet's fragile debris could spark a meteor outburst over parts of our planet on October 8th.
NASA's Dawn probe, now orbiting Vesta in the asteroid belt, has found some surprising things on the giant asteroid--things that have prompted one researcher to declare Vesta "the smallest terrestrial planet."
response to realman10000000000 and Visit science.nasa.gov for the full story. Mark your calendar. On March 19th, a full Moon of rare size and beauty will rise in the east at sunset. It's a super "perigee moon"--the biggest in almost 20 years. Super Moon Bad Moon Lunar Perigee 2011 March 19 2011 Earthquakes Tsunamis Floods Hurricanes Cyclones Volcanoes High Tide Apocalypse fish dying severe weather warning
Super Moon Bad Lunar Perigee 2011 March 19 Earthquakes Tsunamis Floods Hurricanes Cyclones Volcanoes High Tide Apocalypse fish dying severe weather warning tsunami tidal waves NASA sciencecasts SMD Science Mission Directorate Science@NASA News full freddytk 421
A distant world is being hit by solar storms so ferocious, the entire planet is probably enveloped in auroras. Researchers speculate that the display is probably as beautiful as it is terrifying.
Scientists studying data from NASA's Galileo probe have discovered what appears to be a body of liquid water the volume of the North American Great Lakes locked inside the icy shell of Jupiter's moon Europa. This improves the odds that Europa is a habitat for extraterrestrial life.
A new iPhone app just released by NASA harnesses the power of citizen scientists to track space debris around Earth. Visit science.nasa.gov for more.
NASA sciencecasts SMD Science Mission Directorate Science@NASA News meteor meteorite citizen science Geminids Leonids Perseids nasatelevision