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What Powered the Big Bang?

During the last decade, sky maps of the radiation relic of the Big Bang---first by NASA's Cosmic Background Explorer (COBE) satellite and more recently by other experiments, including Antarctic balloo ...
Image of the Sun
Will the Sun Shine Forever?

The Sun is a huge nuclear furnace. It operates by converting hydrogen into helium. In this process, which is called nuclear fusion, it loses mass and produces energy according to Einstein's famous equ ...
A Chandra X-ray image of The Antennae revealing loops of hot gas spreading out into intergalactic space, huge multimillion degree clouds, and bright emissions from neutron stars and black holes. The image is color coded: low, medium and high energy X-rays are red, green and blue.
The Antennae

NASA's Chandra X-ray Observatory has discovered rich deposits of neon, magnesium, and silicon in a pair of colliding galaxies known as The Antennae. The deposits are located in vast clouds of hot gas. ...

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