Alien Life | Astronomy.com

Alien Life, Exoplanets

How much evidence do scientists need to claim they’ve found alien life?

Can we detect alien artifacts?

Alien Life, Exoplanets

K2-18 b could have dimethyl sulfide in its air. But is it a sign of life?

ALMA observations of two interstellar icy objects

Alien Life, Science

Mystery ‘interstellar icy objects’ are carrying the seeds of life

Curiosity rover selfie on Mars

Alien Life, Solar System

Curiosity discovers largest organic molecules yet on Mars

SPHEREx in space (artist's concept)

Alien Life, Cosmology, Robotic Spaceflight

SPHEREx launches to conduct a cosmic census

Venus as seen by Mariner 10

Alien Life, Solar System

Strange microbes on Earth might help us understand life on Venus

Alien Life, Observing

You’re almost certainly not being visited by aliens

Artist's impression of Kepler-1649 c

Could deuterium be the key to finding aliens?

Illustration of DNA

How we might look for life in the universe — even if we can’t recognize it

Alien Life, Cosmology

Dark energy sheds light on life in the cosmos

Ceres as imaged by Dawn

Alien Life, Solar System

Short-lived organics on Ceres hint at a past ocean — and conditions ripe for life