Top news for December 21, 2008

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New class of Mars quakes reveals daily meteorite strikes

Tiny bright objects discovered at dawn of universe baffle scientists

International Space Station: Live updates

Boeing Starliner 1st astronaut flight: Live updates

China Becomes First Country to Retrieve Rocks From Moon’s Far Side With Chang’e-6

ISS Astronauts Take Shelter After Russian Satellite Breaks Up In Space

A Trilobite Pompeii Preserves Exquisite Fossils in Volcanic Ash

Interesting Rock Textures Galore at Bright Angel

A Signal of Future Alzheimer's May Be Hidden in The Way You Speak

Astronomers Use Destroyed Stars to Measure the Spin of a Supermassive Black Hole for the First Time