European Space Agency

Image: A cosmic hurricane

The giant planet Saturn is mostly a gigantic ball of rotating gas, completely unlike our solid home planet. But Earth and Saturn do have something in common: weather, although the gas giant is home to some ...

Sep 23, 2014
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Winter in the southern uplands of Mars

Over billions of years, the southern uplands of Mars have been pockmarked by numerous impact features, which are often so closely packed that they overlap. One such feature is Hooke crater, shown in this ...

Sep 19, 2014
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Halfway through Blue Dot mission

Halfway through his six-month Blue Dot mission, ESA astronaut Alexander Gerst is sharing the International Space Station with only two colleagues: Maxim Suraev and Reid Wiseman.

Sep 19, 2014
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Rosetta's lander Philae will target Site J

(Phys.org) —Rosetta's lander Philae will target Site J, an intriguing region on Comet 67P/Churyumov–Gerasimenko that offers unique scientific potential, with hints of activity nearby, and minimum risk ...

Sep 15, 2014
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Not just cool – it's a gas

In space, a new way of producing gas is being tested for steering satellites. On Earth, it is now fighting fires without harming the environment – and business insiders say it could be revolutionary.

Sep 12, 2014
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Gaia discovers its first supernova

(Phys.org) —While scanning the sky to measure the positions and movements of stars in our Galaxy, Gaia has discovered its first stellar explosion in another galaxy far, far away.

Sep 12, 2014
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