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The RATAN-600 radio telescope in Zelenchukskaya

Life

Mysterious SETI signal sends alien-hunting telescopes scrambling

An intriguing radio spike spotted last year could point toward an intelligent extraterrestrial civilisation, but follow-up observations so far have come up empty

News

illustration of a planet in silhouette with a star behind

Space

Proxima b: 7 big questions about the new planet next door

Analysis

Life

Ocean worlds: Searching for life in the solar system's seas

Features

Robert Byer

Space

How lasers found gravitational waves – and could hunt for aliens

Features

A man wearing an orange boiler suit, hard hat and headtorch stands in the mine

Earth

Hunting for Mars-like life a kilometre below Earth’s surface

News

China’s Five-hundred-meter Aperture Spherical Telescope (FAST)

Space

China builds world’s largest radio telescope to hunt for aliens

News

Artist's impression of an alien world

Space

Impossible vanishing stars could be signs of advanced alien life

News

Rip up the rule book and let NASA's Mars rover check 'life' zone

Life

Rip up the rule book and let NASA's Mars rover check 'life' zone

Comment

Is NASA doing enough to look for alien life?

Life

Is NASA doing enough to look for alien life?

News

A landscape with a distant person looking up at the night sky where the Milky Way is visible

Space

First mirror-image molecule found in interstellar space

A team of scientists has detected the first chiral molecule out in space – a key step toward understanding life's origins

News

Life

Spongy minerals could explain why Mars gives off methane burps

News

Life

Pinball planets: How life could start in a violent solar system

Features

Life

There might be a planet better than Earth – right next door

Features

Life

SETI looks at red dwarf stars in its search for ancient aliens

News