NASA Jumping Out Of Joint ESA Mars Mission
NASA has decided it will be unable to continue a joint endeavor with the European Space Agency (ESA) on the ExoMars mission.
Latest Space Stories
Sierra Nevada Delivers Flight Test Vehicle Structure
One of NASA's industry partners, Sierra Nevada Corp. (SNC), recently delivered the primary structure of its first Dream Chaser flight test vehicle to the company's facility in Louisville, Colo., where it will be assembled and integrated with secondary systems.
Behind the Scenes - VIIRS Eastern Hemisphere Image
The Suomi NPP satellite is in a polar orbit around Earth at an altitude of 512 miles (about 824 kilometers), but the perspective of the new Eastern hemisphere 'Blue Marble' is from 7,918 miles (about 12,743 kilometers).
New Research Shows Ocean Existed On Ancient Mars
The European Space Agency's Mars Express has revealed strong evidence that an ocean once covered part of Mars.
Juno Spacecraft Refines Path To Jupiter
NASA's solar-powered Juno spacecraft successfully refined its flight path last Wednesday with the mission's first trajectory correction maneuver. The maneuver took place on Feb. 1.
Leading Exoplanet Hunters Awarded Science Prize
World-renowned Swiss astronomers Michel Mayor and Didier Queloz of the Geneva Observatory have been awarded the 2011 BBVA Foundation Frontiers of Knowledge Award in Basic Sciences for their work on exoplanets.
Russia Looking For New Cosmonauts For Potential Moon Trip
Roscosmos and the Cosmonauts Training Center are launching a campaign to select a new line of cosmonauts, training them for possible flights to the Moon within ten years.
NASA's ISS Head Remains Confident In Russian Space Program
Despite multiple glitches, accidents, and equipment failures in recent months, a NASA representative told reporters on Thursday that the U.S. space agency still had confidence in the Russian space program and specifically the Soyuz rockets used to transport crew and supplies to the International Space Station (ISS).
Mars Has Been Suffering Through 600 Million Year Drought
According to new research, Mars may have been arid for over 600 million years, making it inhospitable for life to survive.
Scientists Chart High-Precision Map Of Milky Way's Magnetic Fields
Scientists at the Naval Research Laboratory are part of an international team that has pooled their radio observations into a database, producing the highest precision map to date of the magnetic field within our own Milky Way galaxy.
'First Light' For NASA's Newest CERES Instrument
The doors are open on NASA's Suomi NPP satellite and the newest version of the Clouds and the Earth's Radiant Energy System (CERES) instrument is scanning Earth for the first time, helping to assure continued availability of measurements of the energy leaving the Earth-atmosphere system.
Rosetta: Mission To Land On A Comet
Europe’s Rosetta spacecraft is en route to intercept a comet– and to make history. In 2014, Rosetta will enter orbit around comet 67P/Churyumov-Gerasimenkoand land a probe on it, two firsts.
NASA Sees Unusually High Number Of Astronaut Applications
Astronauts may not be as famous as the great Buzz Aldrin and Neil Armstrong these days, but it hasn't stopped individuals from applying to the U.S. space agency.
Astronomers Spot Fourth Potential Habitable Planet
An international team of astronomers have discovered a potentially habitable planet 22 light years away orbiting a nearby star.
Do Black Holes Help Stars Form?
The center of just about every galaxy is thought to host a black hole, some with masses of thousands of millions of Suns and consequently strong gravitational pulls that disrupt material around them.
Millisecond Pulsars: The Discovery Of Deceleration
Pulsars are among the most exotic celestial bodies known. They have diameters of about 20 kilometers, but at the same time roughly the mass of our sun.
NASA's Commercial Crew Partner ULA Completes Two Milestones
One of NASA's industry partners, United Launch Alliance (ULA), successfully completed two milestones that could eventually lead toward the certification of its Atlas V launch vehicle for human spaceflight.
NASA/FAA Partnership "Greens" Arriving Aircraft
Managing the descent of airliners toward some of the nation’s busiest airports is one step closer to becoming more fuel-efficient and environmentally friendly thanks to new technology developed by NASA that now is in the hands of the Federal Aviation Administration.
Colbert Advocates NASA Space Station Research
Stephen Colbert, host of the nightly 'The Colbert Report,' said in a new NASA public service announcement released today that he's always been a huge fan of space.
Hubble Zooms In On Magnified Galaxy
Thanks to the presence of a natural "zoom lens" in space, NASA's Hubble Space Telescope got a uniquely close-up look at the brightest "magnified" galaxy yet discovered.
IMAGE: Remnant Of An Explosion With A Powerful Kick?
Vital clues about the devastating ends to the lives of massive stars can be found by studying the aftermath of their explosions. In its more than twelve years of science operations, NASA's Chandra X-ray Observatory has studied many of these supernova remnants sprinkled across the Galaxy.
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Word of the Day
Quote of the Day
To overturn orthodoxy is no easier in science than in philosophy, religion, economics, or any of the other disciplines through which we try to comprehend the world and the society in which we live. 
- Ruth Hubbard (b. 1924), U.S. biologist.