Astronomy

Galileo

Galileo, Reconsidered

The first biography of Galileo Galilei resurfaces and offers a new theory as to why the astronomer was put on trial

Maybe Life Arrived from Beyond the Stars, Says Meteorite

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Update: Quake-Hit Pandas; Mars Lander

Coming Soon to a Cineplex Far, Far Away

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Into the Void

Unraveling an astronomical mystery... and a presidency

Homing In on Black Holes

To gain insight into the most mysterious objects in the universe, astronomers shine a light at the chaotic core of our Milky Way

Bright Moon, Warm Earth?

Hubble Gets Tucked In

Happy Hubbledays!

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Behold, the Geminids

One of the year's best meteor showers comes in December. Here's how to view the action

Posted from Christchurch, New Zealand

Head Toward the Light

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Space Looks Cool, But What Does It Sound Like?

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Record-breaking Black Hole

A Field Guide to Supernovas

The Willamette Meteorite is on view at the Natural History Museum.

Going Once...Going Twice...

Dancing With the Stars

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Sputnik Spawned a Moonwatch Madness

The Red Planet

It'll Still Be Called "The Red Planet"

Since early 2004, the Mars rovers have gathered images of rocks and terrain where water, the presumed prerequisite of life, once flowed (an artist's rendition).

Life Beyond Earth

An ocean on Mars. An Earth-like planet light years away. The evidence is mounting, but are astronomers ready to say we're not alone?

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Red Rover, Red Rover

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