This Just In
The Delta Aquarid meteor shower is peaking from tonight (July 28) into Tuesday (July 29), and even if you can't catch the cosmic show in person, you can still see live views of the annual shower online.
The construction phase of the world's biggest optical telescope has begun atop Mauna Kea, Hawaii. Continue reading →
As a European spacecraft nears a distant comet, it looks a bit less like a rubber duckie and more like a wad of gum. Continue reading →
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.
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 →
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 →
To celebrate 15 years in orbit, NASA has release new, mind-blowing views of the Chandra X-ray observatory's most famous supernova remnants.
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