Could small amounts of liquid water exist on the surface of Mars? Salt may be a key to answering that question.
Apollo 11's historic trip to the lunar surface in 1969 helped to debunk many a myth about our moon.
To celebrate 15 years in orbit, NASA has release new, mind-blowing views of the Chandra X-ray observatory's most famous supernova remnants.
Comet Siding Spring is about to make a historic near miss of the red planet -- and NASA is preparing its Martian robots for the potentially hazardous encounter. Continue reading →
NASA's Kepler and Spitzer space telescopes have teamed up to precisely measure one exoplanet's vital statistics -- from 300 light-years away. Continue reading →
Apollo 11 astronauts Buzz Aldrin and Michael Collins met with President President Barack Obama today to commemorate the 45th anniversary since mankind first set foot on the moon. Continue reading →
When viewed through the lens of history, the Apollo 11 landing was not so much a blinding breakthrough as much as it was the culmination of several Apollo's-worth of things learned and put into practice leading up to that one small step.
On July 21, 1969, Neil Armstrong and Buzz Aldrin left the moon to begin their journey back to Earth with Michael Collins. Here are some photos inside the mission that are rarely seen.
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