News tagged with space

Helium-shrouded planets may be common in our galaxy

They wouldn't float like balloons or give you the chance to talk in high, squeaky voices, but planets with helium skies may constitute an exotic planetary class in our Milky Way galaxy. Researchers using data from NASA's ...

dateJun 11, 2015 in Astronomy
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Earth and Mars could share a life history

While life is everywhere on Earth, there is much debate about how it began. Some believe it originated naturally from the chemistry found on our planet as it evolved. Others hypothesize that life—or at least the building ...

dateJul 07, 2015 in Space Exploration
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Can planets be rejuvenated around dead stars?

For a planet, this would be like a day at the spa. After years of growing old, a massive planet could, in theory, brighten up with a radiant, youthful glow. Rejuvenated planets, as they are nicknamed, are only hypothetical. ...

dateJun 26, 2015 in Astronomy
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Swift satellite reveals a black hole bull's-eye

What looks like a shooting target is actually an image of nested rings of X-ray light centered on an erupting black hole. On June 15, NASA's Swift satellite detected the start of a new outburst from V404 Cygni, where a black ...

dateJul 09, 2015 in Astronomy
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Sunny, with a chance of nuclear bullets

In space, far above Earth's turbulent atmosphere, you might think the one thing you don't have to worry about is weather. But you would be wrong. Just ask the people charged with the safety of the Cloud-Aerosol Lidar and ...

dateJul 23, 2015 in Space Exploration
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Rosetta spacecraft sees sinkholes on comet

The European Space Agency's Rosetta spacecraft first began orbiting comet 67P/Churyumov-Gerasimenko in August 2014. Almost immediately, scientists began to wonder about several surprisingly deep, almost perfectly circular ...

dateJul 01, 2015 in Space Exploration
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