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extraterrestrial life

Space

Possible signs of ancient life on Mars are rich in complex carbon

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the surface of rocks that resemble traces of microbial activity

News

Life

Complex life on Earth may last 500 million years longer than expected

News

Life

How a radical new view of life could reveal its origin – and aliens

Features
Japan's Hayabusa2 spacecraft snapped pictures of the asteroid Ryugu while flying alongside it two years ago. The spacecraft later returned rock samples from the asteroid to Earth.

Space

The asteroid Ryugu has all of the main ingredients for life

News
The supernova remnant Cassiopeia A

Space

Odd elements in supernova blast might have implications for alien life

News

Space

Enceladus’s ocean may be even better for life than we realised

News

Space

The Martian permafrost may be hiding veins of habitable liquid water

News
Adrian Tchaikovsky
Comment

Adrian Tchaikovsky talks aliens, entomology and new book ‘Alien Clay’

Video

Society

Why an increasing belief in alien visitations is a real-world problem

Comment

Comment

The best new science fiction books of February 2025

From contact with aliens courtesy of Adrian Tchaikovsky to the childhood writings of Octavia E. Butler, February’s sci-fi offerings are rich and strange

Culture

Comment

Adrian Tchaikovsky: “Could life have gone any other way?”

Culture

Space

Life on Mars could be surviving in an area deep underground

News
Life

Inside NASA’s lab exploring conditions for life on other worlds

Video

Space

Why NASA is sending a probe to Europa – and what it’s looking for

Features