Astronomers have spotted the most distant massive star explosion of its kind, a supernova that could help scientists better understand the nature of the universe.
We were too far away to try to stop it. All we could do is watch, helpless, horrified, and secretly delighted, as the event unfolded beyond our reach.
NASA's Mars rover Curiosity just might be the latest in a long line of Mars-exploring robots to discover the building blocks for primitive life on the Red Planet.
Never let it be said again that Michael Bay isn't a visionary; NASA's future looks a little bit more like "Armageddon" every day.
Congress got the word from NASA on Tuesday about its options for dealing with the threats posed by asteroids and comets
An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.
NASA’s Cassini spacecraft has taken stunning new photos of Venus, according to a space agency news release.
NASA says the International Space Station has lost contact with NASA controllers in Houston.
The nearest potentially habitable, Earth-like planet may be a scant 13 light-years away
An asteroid the size of a 15-story building will zoom past Earth next week, flying uncommonly close but posing no danger.
NASA’s Gateway to Astronaut Photography website continues to provide tantalizing evidence of UFOs in space.
My colleague Ian O’Neill has described one of the most unique interplanetary missions in the history of space exploration
The last time NASA fired an F-1 in anger was in 1972, with the launch of Apollo 17.
It's the latest pet project from the Pentagon's research wing known for its quirky and sometimes out-there ideas.
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