NASA

Two space station astronauts popped in a new pump during a rare Christmas Eve spacewalk Tuesday, eager to wrap up urgent repairs to a cooling system.

Landsat 1 satellite was launched July 23, 1972, starting the longest continuous observation of Earth from outer space. ...

UFO sightings are popular despite the many skeptics who cite a lack of evidence and credible eye witness ...

A sophisticated video by NASA shows a rendering of ancient Mars—a planet of blue skies and vast oceans. ...

New NASA images reveal an asteroid with six comet-like tails radiating out like spokes on a wheel—something they've ...

Rep. Frank Wolf (R-VA) on Oct. 8 published an open letter responding to a report in the Guardian ...

Soil samples collected from Mars by the NASA rover Curiosity contain several percent water, as reported in a ...

Amazon fires have burned three percent of the rainforest in the past 12 years, according to NASA.

Firefighting teams battle wildfires in California and New Mexico this weekend, not the first spring wildfires to rage ...

A photo from a NASA’s Curiosity rover shows what some people are claiming is a rat or another ...

A massive asteroid flyby will take place later on Friday, officials with NASA have said.

Asteroid 1998 QE2, a massive space rock nearly to 2 miles wide, will fly past the Earth this ...

Moon explosion: A meteor crashed into the Moon, creating what has been described as the largest explosion ever ...

NASA astronomers have been watching the Moon for eight years under a special program, looking for signs of ...

Three astronauts are heading back from the International Space Station after spending 144 days aboard the space outpost.

Major solar flare: The sun emitted a major solar flare on May 12, the strongest of this year ...

Google Earth timelapse: Google, NASA, TIME, and the U.S. Geological Survey teamed up to create timelapses of more ...

Meteor shower April 2013: NASA scientists with the Marshall Space Flight Center (MSFC) in Alabama will broadcast the ...

NASA Kepler discovery: NASA’s Kepler spacecraft will soon reveal a new discovery it made via the Kepler space ...

A serious injury to a worker prompted a citation by the state that could lead to hundreds of ...

NASA: A test rocket will launch from a small facility on April 17

The FBI is investigating a Chinese national and former NASA employee who is suspected of trying to return ...

NASA, with the Oak Ridge National Lab in Tennessee, has produced non-weapons grade plutonium to power future space ...

Mars rover's technical difficulties delay new scientific results

Curiosity Rover has analyzed a rock sample it dug from the Gale Crater, and found evidence that Mars ...

American multi-millionaire and “space tourist” Dennis Tito plans to help fund a trip to Mars for two intrepid ...

U.S. scientists have successfully used a new NASA telescope to help improve our understanding of how black holes ...