Astronomy & Space - Space Exploration news

Sources of the solar wind

The solar chromosphere is the region between the Sun's surface and its hot, million-degree corona. Within this complex interface zone, only a few thousand kilometers deep, the density of the gas drops by ...

Nov 05, 2014
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NASA sun probe silent now for six weeks

No one knows exactly why a NASA solar probe stopped talking to Earth six weeks ago, but it's possible the spacecraft is out of power and is drifting without a way of calling for help, the agency said in an ...

Nov 12, 2014
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Five questions about the Rosetta mission

On November 12, the Rosetta spacecraft's Philae lander is due to land on the surface of a comet. As a space scientist working with those who have instruments on board, I can't wait. I met up with some of ...

Nov 07, 2014
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