467 Results

What Impossible Meant to Richard Feynman

What I learned when I challenged the legendary physicist.

The Safety Belt of Our Solar System

Mapping the heliosphere, which shields us from harmful cosmic rays.

Looking for Life on Mars

An astrobiologist and a director on the joys and challenges of filming space science.

Where Aliens Could Be Watching Us

More than 1,700 stars could have seen Earth in the past 5,000 years.

What Is Life?

An astrobiologist finds the heart of his work in a new novel by Richard Powers.

My Personal Quest to Study Supernovae on Mars

Overcoming sexist naysayers and self-doubt in astrophysics.

What’s Fueling Today’s Extreme Fires

A geophysicist breaks down the elements of wildfires.