45 Results

Mario Livio on 25 Years of Hubble

The astrophysicist looks at the history of the world’s most famous telescope.

Don’t Write Off ET Quite Yet

It’s true that we haven’t seen alien life, but neither have we seen much of the universe.

A Quick Spin Around the Big Dipper

See how the night sky would appear from a different part of the galaxy.

The Astronomer Royal

Lord Martin Rees tells us about black holes and existential risks.

When the Earth Had Two Moons

A new model—“The Big Splat”—explains the strange asymmetry of the moon.

Ingenious: Edwin C. Krupp

“Astronomy is almost nothing but the story of light.”

When the Sky Explained Everything

How ancient astronomy sowed the seeds for science and math.

The Billion-Dollar Telescope Race

How three groups are competing to make the first extremely large telescope.

Falling in Love With the Dark

One astronomer has taken to U.S. National Parks to rekindle an old romance.