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Illustration of life forms on a hypothetical planet with a slightly lower mass than the Earth. It has shallow seas and extreme tides due to its large moon (thin crescent at left). The vegetation is translucent which allows the light to shine through, so it seems to be glowing, due to it being backlit in this image.

Comment

The hunt for alien planets and extraterrestrial life

Lisa Kaltenegger has been working on how to find life on exoplanets since the 1990s. Her new book, Alien Earths, brings her quest to vivid life

Culture

Eruption of Strokkur Geysir in Iceland

Life

Protocells on early Earth may have been formed by squeezing geysers

News

Life

Culling predatory starfish conserves coral on the Great Barrier Reef

News

Earth

Deadly upwellings of cold water pose threat to migratory sharks

News

Space

Planets that look alike might be a sign of spacefaring aliens

News

How mass bleaching has pushed the Great Barrier Reef to the brink

Environment

How mass bleaching has pushed the Great Barrier Reef to the brink

News

3d rendered medically accurate illustration of amino acids

Life

Life’s vital chemistry may have begun in hot, cracked rock

News

2PMHEF7 Panoramic aerial of Pitcairn island, British Overseas Territory, South Pacific, Pacific

Environment

How the infamous Pitcairn Island became a model of ocean conservation

Features

Martin MacInnes: 'Science fiction can be many different things'

Comment

Martin MacInnes: 'Science fiction can be many different things'

Culture

Pacific leatherback turtle and school of fish

Video

Turtle tagging project is helping protect leatherback migratory routes

Conservationists in Panama's Pearl Islands are fitting leatherback turtles with satellite tags, helping scientists understand and protect their migratory routes

Video

Life

Californian orcas used specialised tactics for hunting whale calves

News

Space

Europa’s seafloor may be impenetrable and inhospitable to life

News

Environment

Damaged coral reefs can recover quickly after restoration work

News

Space

Europa may have less oxygen to fuel life in its seas than we thought

News