Astronomy
How to Survive Doomsday
The high technology that could help us live through the sun’s inevitable transformation.
The Man Who Discovered the Sun’s Puzzling Heat Is Being Forgotten
The extraordinary physical intuition of Hannes Alfvén.
The Gravity Wave Hunter
An astrophysicist sits down with Nautilus to discuss cosmology and culture.
Why It’s Hard for Black Holes to Get Together
The universe’s greatest sinkholes have no trouble swallowing anything—except themselves.