Cosmology

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Scientists Discover Massive Ice Sheets on Mars

By Casey Quackenbush

4 Surprising Facts About the Universe We Just Discovered

By Jeffrey Kluger

Einstein's Theory About Gravitational Waves Was Just Proved Right — Again

By Jeffrey Kluger

Stephen Hawking Celebrates

By David Stout
More in Cosmology

How Stephen Hawking Went Hollywood

James Marsh, director of the poignant Hawking biopic The Theory of Everything, talks about making a movie with—and about—a living legend

By Jeffrey Kluger

New Picture: The Universe as a Sulky Adolescent

An ingenious technique reveals data that's been lost for 11 billion years

By Tara Thean

Doubts Raised Over Blockbuster Big Bang Study

A major new study claimed to find direct evidence of the Big Bang and the theory of cosmic inflation. But now scientists aren't so sure

By Michael D. Lemonick

Cosmic Discovery Offers Proof of Big Bang

Nearly a century ago, Einstein came up with the idea of gravitational waves. Now, in a discovery that physicists are calling "extraordinary" and "spectacular," observers at the South Pole have found the first direct evidence they exist

By Michael D. Lemonick
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