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Everything You Need To Know To Watch Rosetta Crash Into A Comet Tomorrow

The Rosetta spacecraft has spent three years peering at Comet 67P/Churyumov — Gerasimenko from orbit — but this week, its watch will end. On September 30, Rosetta begins a controlled descent to its final resting place on the edge of an enormous pit, where it will remain frozen until the space rock itself is destroyed, or until the universe expands into oblivion.


We Just Found Out That Mercury Is Geologically Active

Our solar system is rife with geologic activity, from eruptive ice moons to mountainous dwarf planets. Still, Earth always held a special place in the hall of geologic fame. It was the only bonafide planet to exhibit tectonic and seismic activity — until now.


Hubble Discovers New Evidence Of Water Geysers On Europa

Jupiter’s moon Europa is on the shortlist of places we might discover alien life in our solar system. And today, the prospects for finding extraterrestrial microbes on this little ice moon got a lot better, when NASA unveiled new evidence for water geysers near Europa’s south pole. The discovery strengthens the case for a geothermally-heated, subsurface ocean.


Pluto's Liquid Water Ocean Might Be Insanely Deep

In recent months, there’s been growing evidence that Pluto is hiding a liquid water ocean beneath its frozen surface. New models by researchers at Brown University support this hypothesis, and take it one mind-boggling step further: Pluto’s ocean may be more than 100km deep.


Astronomers Solve Mystery Of Enormous Space Blob

It’s a happy day when astronomers figure out what’s up with an enormous space blob — and the answer doesn’t imply the immediate destruction of humanity.


The Best Astronomy Images Of 2016 Are Truly Out Of This World

Image Cache: The winners of the annual Insight Astronomy Photographer of the Year have been announced. From eerie eclipses through to battered lunar landscapes, these images are an absolute treat.


Pluto Is Emitting X-Rays, And That's Really Weird

Something very strange is going on around Pluto. The icy world that sits some 5.9 billion kilometres from the Sun appears to be emitting X-rays — high energy radiation associated with gases with temperatures of a million degrees. That makes Pluto the furthest known X-ray source in our solar system. If confirmed, the finding could reshape our understanding of the dwarf planet’s atmosphere.


No, NASA Did Not Just Change Your Zodiac Sign

NASA did not just rewrite the zodiac chart. But here’s why so many people are convinced that the agency did — and the real story behind the rumour.


The Largest 3D Map Of The Galaxy Contains Over A Billion Stars

Some may call it excessive, unreasonable, exhibitionist. What kind of masochist wants to stare at a billion pinpricks of light all at once, anyway? Why, the scientifically inclined one, of course. The astronomer who’s hellbent on picking apart the universe and reducing your life to a clump of dust needs absurdly detailed star charts in order to do so.


The Amazing Place The Rosetta Spacecraft Is Going To Die

In two weeks, the European Space Agency will crash-land its prized Rosetta spacecraft, marking a dramatic end to the whirlwind two-year science mission that saw humanity’s first-ever comet landing. It will be 48 action-packed hours as Rosetta descends to its ultimate resting place on Comet 67P — and to get you properly excited for that event, we wanted to share the fascinating reason this site was chosen.


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