NASA Mercury probe trying to survive for another month
Engineers want to eke a little more work out of the spacecraft before it runs out of fuel and crashes into the planet
NASA
Astronauts begin one-year space station mission
NASA astronaut Scott Kelly and cosmonaut Mikhail Kornienko launched Friday to kick off marathon ISS research mission
NASA opts to grab a boulder, not the whole asteroid
NASA will attempt to pluck a sizable boulder from an asteroid and haul it back to this way for analysis
Two rovers, two milestones, one big week on Mars
The Curiosity rover found nitrogen, a sign of life, while the older Opportunity completed a marathon that took 11 years
Russia to resume space tourism in 2018
As faith in the U.S. space tourism business teeters, Russia is relaunching efforts to put amateur astronauts in orbit
A year in space
Astronaut Scott Kelly prepares to become the first American to spend 12 months in orbit, testing long-term effects of weightlessness to advance exploration of deep space
Mystery dust cloud, glowing aurora spotted on Mars
Stunning and curious, the phenomena could help scientists better understand the Martian atmosphere
This is how NASA tests its spacesuits
When astronauts eventually get to Mars, they're going to need something to wear
Happy St. Patrick's Day from NASA: Ireland from space
The space agency celebrated the holiday with an image of the Emerald Isle in all its green glory
How solar sailing could impact the future of space exploration
A citizens' group raised $4.5 million to build LightSail - a promising new spacecraft that harnesses the power of the sun
How NASA uses balloons to do science on the cheap
The "poor man's launch vehicles" are a boon without the boom, and one is prepped for a record-breaking, around-the-world flight
Become an asteroid hunter for NASA
A new app lets you be an armchair astronomer -- and possibly save the world from a deadly impact
NASA launches satellites to probe magnetic mystery
"Essentially a flawless delivery of our four satellites" to study powerful interactions between Earth's and sun's magnetic fields
Jupiter's moon Ganymede has vast underground ocean
NASA's Hubble Space Telescope confirmed there is a deep saltwater ocean below the crust of the solar system's largest moon
Drama as space station crew returns to Earth
Communications lost between Soyuz capsule and flight controllers for long stretch during descent to Kazakhstan
Mega rocket booster put through fiery test
The largest, most powerful rocket booster ever built was fired up Wednesday in preparation for future NASA missions to Mars
Space station trio to return after 167 days in orbit
Three ISS crew members geared up to undock and return to Earth Wednesday to close out five-and-a-half months in space
NASA identifies short circuit that downed Mars rover
NASA engineers have zeroed in on the apparent cause of a short that halted the Curiosity rover on the red planet
NASA's Dawn spacecraft reaches dwarf planet Ceres
The solar-powered probe slipped into orbit around Ceres Friday, kicking off the first close-range observations of a dwarf planet
Mars has lost an Arctic Ocean's worth of water
Research suggests that billions of years ago, half of Mars was covered in a mile-deep sea that disappeared into space
Comet Lovejoy's tail offers scientists a few surprises
"We realized that the tail was displaying rapid motion in a matter of only a few minutes! It was just incredible!"
Mars Curiosity rover shut down after short circuit
Curiosity is expected to be down for several days while NASA engineers troubleshoot the issue, which was not the rover's first
Incredible photos from NASA's Spitzer Space Telescope
Amazing photos of the cosmos taken by NASA's Spitzer telescope over 10 years.
Spectacular raw images of Saturn's moons
NASA's Cassini spacecraft captured images that show unique craters and previously unknown features
Hubble Space Telescope's "hidden treasures"
NASA and the European Space Agency asked pro and amateur astronomers to find the greatest images from the telescope's archives
ICE crackdown prompts some Texas Latinos to turn away from Trump
Iran has "increased efforts to target U.S. personnel," intel chief warns
DOJ sues to block Alaska Senate certification if Sullivan loses
2 ex-FBI officials charged with lying about Hunter Biden's laptop
Intel Democrats on how they'll react if Trump alleges election meddling
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Trump's U.N. ambassador says Iran war could drag on for another year
Judge allows Jane Doe anonymity in Cornell sexual assault lawsuit
DOJ demands that some California counties set aside alleged noncitizen ballots
