Astronomy
Galileo, Reconsidered
The first biography of Galileo Galilei resurfaces and offers a new theory as to why the astronomer was put on trial
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
Behold, the Geminids
One of the year's best meteor showers comes in December. Here's how to view the action
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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