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CubeSats in deep space

(Phys.org)—Tiny spacecraft have their ambitions of space exploration too. The small-sized satellites called CubeSats, made of box-shaped four-inch units, are successfully operating in the low Earth orbit, conducting a variety ...

dateNov 03, 2015 in Space Exploration report
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Antarctic microbes hold clue to Earth's oxygen

At the bottom of an icy Antarctic lake, a thin, slimy layer of bright green microbes is generating a tiny oasis of oxygen that might give a picture of what early Earth looked like before oxygen became common in the atmosphere. ...

dateJan 20, 2016 in Earth Sciences
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Nitrogen may be a sign of habitability

We might commonly think of Earth as having an oxygen-dominated atmosphere, but in reality the molecule makes up only a fifth of our air. Most of what surrounds us is nitrogen, at 78 percent. Astrobiologists are beginning ...

dateJan 13, 2016 in Astronomy
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