Engineers assess Curiosity computer glitch (UPDATED)

Space radiation may be to blame for corrupted memory used by the Curiosity Mars rover's flight computer, resulting in software glitches that interrupted the flow of science data Wednesday. Read More...

SpaceX set for second Dragon resupply mission

SpaceX readied a Falcon 9 rocket and Dragon cargo ship for launch Friday to deliver more than 2,300 pounds of science gear, spare parts and crew supplies to the International Space Station. Read More...

X-ray telescopes measure black hole rotation, space distortion

An innovative NASA X-ray telescope working in concert with a European Space Agency satellite has measured the rotation of a supermassive black hole lurking at the heart of a distant galaxy. Read More...

Space advocates propose manned Mars flyby mission

A wealthy space tourist announced plans Wednesday to launch a high-risk manned flight to Mars in 2018, sending a man and a woman on a bare-bones 501-day round-trip flyby.
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Curiosity delivers first drill sample

The Curiosity rover's power drill has successfully collected its first subsurface sample, about a tablespoon of powdered rock that will be fed into the spacecraft's on-board laboratory instruments for detailed analysis. Read More...

Kepler spies smallest exoplanet yet

NASA's Kepler spacecraft has discovered a solar system 210 light years from Earth with the smallest planet yet found orbiting another sun-like star. Read More...

Space station comm glitch assessed

A procedural issue during a software update aboard the International Space Station Tuesday briefly knocked the lab's satellite communications system out of action, but the problem was quickly resolved.
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Asteroid whizzes past Earth; Siberia rocked by meteor (UPDATED)

As predicted, a 150-foot-wide asteroid streaked safely past Earth Friday just hours after a spectacular meteor over Siberia that shattered windows and injured hundreds due to flying debris. Read More...

Astronomers eagerly await asteroid flyby

An asteroid a half a football field across is expected to safely pass within just 17,200 miles of Earth on Friday, a record close encounter that will carry it well inside the orbits of communications satellites. Read More...

Russian supply ship takes off on station resupply flight

A Russian supply ship loaded with 2.9 tons of supplies and equipment blasted off Monday and flew a fast-track trajectory to docking with the International Space Station just six hours later. (UPDATED)
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NASA launches Earth observation satellite

An Atlas 5 rocket blasted off from California Monday and boosted a new Earth-watching Landsat into its planned polar orbit to kick off an $885 million mission to monitor the planet and its resources. (UPDATED) Read More...

In major milestone, Curiosity drills into Mars rock

In a long-awaited milestone, the Curiosity Mars rover successfully drilled into a martian rock, prompting NASA science chief John Grunsfeld to declare the nuclear-powered robot fully operational. Read More...

Study indicates Earth-like planets likely commonplace

A new study indicates some 60 percent of the galaxy's most ubiquitous stars likely host planets smaller than Neptune and about 6 percent host Earth-size worlds orbiting in the so-called "Goldilocks" zone. Read More...

NASA honors fallen astronauts

In an emotional memorial, the widow of the shuttle Columbia's commander recalled their last meeting the day before launch and the devastation the families felt when they learned their loved ones had perished.
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