Alien Life | Page 4 of 11 | Astronomy.com

Super-Earths are bigger, more common, and more habitable than Earth itself

SETI: Why extraterrestrial intelligence is more likely to be artificial than biological

Alien Life, Exoplanets

How will we recognize life elsewhere in the cosmos?

Frank Drake has passed away, but his equation for alien intelligence will live on

Frank Drake, creator of the Drake equation and Project Ozma, dies at 92

Alien Life, Solar System

Scientists find an ancient source of life-supporting oxygen

Alien Life, Solar System

Earth’s ‘Milky seas’ observed from space and sea

Alien Life, Solar System

Rare Earth hypothesis: Why we might really be alone in the universe

Alien Life, Exoplanets, Robotic Spaceflight

JWST will search the atmospheres of exoplanets for signs of alien life

Alien Life, Robotic Spaceflight, Solar System

Curiosity rover quantifies key ingredient for life on Mars

Why are we fascinated by stories of UFOs and aliens visiting Earth?

Alien Life, Cosmology

Ask Astro: If the universe is 13.8 billion years old, shouldn’t other life have existed before us?