Top news for December 21, 2008

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China Has Built a Huge Space Simulation Chamber

Night-Shining Cloud Mission Ends; Yields High Science Results for NASA

Solar eclipse 2024: Live updates

Alcohol-Related Deaths Surge to Nearly 500 a Day, CDC Says

Planetary Atmospheres: Why study them? What can they teach us about finding life beyond Earth?

Unexpected Surprises Revealed: NASA’s Planetary Radar Images Asteroid As It Approaches Earth

The World's Largest Meteorite Seemed to Vanish in 1916. Why Can't We Find It?

Caltech’s PAVT: Seeing Deep Blood Flow Without a Single Cut

Does 23andMe's decline show genetic-based medicine has been overhyped?

Two giant US telescopes threatened by funding cap: Thirty Meter Telescope and Giant Magellan Telescope might need to compete for survival in face of federal spending limit.