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LIGO hears gravitational waves

A wrinkle in space-time confirms Einstein's gravitation. Read more »

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Gravitational waves hub

Catch up with all of Astronomy's relativity coverage.

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New Planet 9?

If this giant world exists, it would be 10 times the mass of the Earth.

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Eclipse tour

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New brightest supernova

The record-breaker tests what scientists know about exploding stars.

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Shoot a meteor shower

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A leak on the InSight lander causes NASA to postpone the mission by two years.

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LIGO hears gravitational waves

A wrinkle in space-time confirms Einstein's gravitation. Read more »
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