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Astronomy

From Gaia, a Twinkling Treasure Trove

The first star map from the ESA’s Gaia space telescope is poised to revolutionize our understanding of the Milky Way galaxy.

November 10, 2016

There May Be Two Trillion Other Galaxies

Every point in the sky contains part of a galaxy.

October 13, 2016

If the Olympics Were Held in Space

A dispatch from the future of extreme sports.

July 26, 2016

How to Survive Doomsday

The high technology that could help us live through the sun’s inevitable transformation.

Spark of Science: Chiara Mingarelli

How stars and UFOs set one astrophysicist on her path.

April 22, 2016

The Man Who Discovered the Sun’s Puzzling Heat Is Being Forgotten

The extraordinary physical intuition of Hannes Alfvén.

April 1, 2016