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Beijing's focus on coal lost in haze of smog

The soaring, grimy chimneys of the coal-fired power station have belched the last of their choking fumes into Beijing's air, authorities say—but experts doubt the plan will ease the capital's smog.

18 hours ago
5 / 5 (2) 0

NASA is catalyst for hydrogen technology

NASA answered a call to help the world's largest aerospace company develop a better way to generate electricity for its aircraft. Instead, it wound up helping a very small technology company to thrive.

16 hours ago
4.7 / 5 (7) 0

Chandra's archives come to life

Every year, NASA's Chandra X-ray Observatory looks at hundreds of objects throughout space to help expand our understanding of the Universe. Ultimately, these data are stored in the Chandra Data Archive, ...

15 hours ago
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Image: Siding Spring grazes Mars

This excellent view of Mars seen together with Comet C/2013 A1 Siding Spring was captured by Scott Ferguson, Florida, USA, on 19 October 2014 on the morning that the enigmatic object made the closest-known ...

15 hours ago
5 / 5 (3) 0

Tiny "nanoflares" might heat the Sun's corona

Why is the Sun's million-degree corona, or outermost atmosphere, so much hotter than the Sun's surface? This question has baffled astronomers for decades. Today, a team led by Paola Testa of the Harvard-Smithsonian ...

Oct 16, 2014
4.9 / 5 (9) 12

Triplet threat from the sun

The most obvious effects of too much sun exposure are cosmetic, like wrinkled and rough skin. Some damage, however, goes deeper—ultraviolet light can damage DNA and cause proteins in the body to break down ...

Oct 21, 2014
4.8 / 5 (8) 1