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Astronomy

The Moss That Could Terraform Mars

A superhero plant that could thrive on the Red Planet.

July 10, 2024

The Stars Foretell Our Doom

Post-apocalyptic star systems could reveal the fate of our own.

June 28, 2024

Life Lessons from Hell-House Venus

How our inhospitable neighbor can help us find life elsewhere.

June 26, 2024

A Cosmic Glitch in Gravity

Is gravity weaker over distances of billions of light-years?

May 15, 2024

Discovering the First Other Earths

Inside the hunt for habitable planets.

May 8, 2024

Nine Rebel Astronomy Theories That Went Dark

Bright ideas from astronomy’s biggest stars haven’t always worked out.

April 17, 2024

Lithium, the Elemental Rebel

What a missing element can teach us about the universe.

April 10, 2024

How a Total Eclipse Alters Your Psyche

The importance of feeling small and insignificant.

April 1, 2024

Doubts Grow About the Biosignature Approach to Alien-Hunting

Recent controversies bode ill for the effort to detect life on other planets by analyzing the gases in their atmospheres.

April 1, 2024

Here to Save the Day!

Asteroid defense gets serious.

February 28, 2024

Could Modified Gravity Kill Planet Nine?

A controversial theory can explain phenomena attributed to the mystery planet.

February 27, 2024

Inside an Exploded Star

Cassiopeia A gets a close-up.

February 22, 2024