The construction phase of the world's biggest optical telescope has begun atop Mauna Kea, Hawaii. Continue reading →
NASA’s long-lived Mars rover Opportunity broke another record this weekend. In addition to 10.5 years of operations on Mars, the rover now holds the off-Earth mileage record. Continue reading →
Could small amounts of liquid water exist on the surface of Mars? Salt may be a key to answering that question.
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 →
Apollo 11's historic trip to the lunar surface in 1969 helped to debunk many a myth about our moon.
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 →
The seafloor is not zero-G, but the cramped living is a good way to test out the toughness of a crew.
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