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We Actually Learned a Lot From Philae's Botched Landing on Comet 67/P

The ESA’s attempt to land a probe on Comet 67P/Churyumov-Gerasimenko didn’t go as planned, but the mission has been far from a failure. A recent analysis of Philae’s harrowing journey across the comet has revealed some fascinating clues about its surface, while providing critical insights for future comet missions. » 7/30/15 11:00am Yesterday 11:00am

Pluto's Atmosphere is Billowing Away into Space

Pluto just can’t stop blowing our minds. Not only is it a geologically active world with ice mountains the size of the Rockies and frozen plains of methane and nitrogen, we’ve just learned that Pluto’s atmosphere is pouring away into space. It’s leaving a massive tail of charged plasma in its wake. » 7/18/15 10:00am 7/18/15 10:00am

This Far-Off Solar System Bears a Startling Resemblance to Our Own

An international team of astronomers has detected a planet very similar to Jupiter orbiting at the same distance from a Sun-like star. And because the age and chemical composition of this system is similar to our own, it likely features an inner collection of rocky planets. Call it solar system 2.0. » 7/16/15 9:00am 7/16/15 9:00am

Why It'll Take New Horizons 16 Months to Send Us This Week's Data

Early this morning, NASA rolled out the highest-resolution image of Pluto to date, taken 16 hours before today’s historic flyby. Tomorrow, we’ll receive a new set of images at a resolution ten times higher. And Pluto Christmas is just getting started, because it’s going to take NASA 16 full months to download all the… » 7/14/15 8:59pm 7/14/15 8:59pm