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grazing fish

Life

Reef halo riddle: What's behind the mysterious rings around coral?

We long assumed that circles of bare sand around coral reefs are caused by fish nibbling away seaweed. But a 10-year investigation has found the truth is far murkier

Features

Prepare to jump to light speed: Inside the mission to go interstellar

Space

Prepare to jump to light speed: Inside the mission to go interstellar

Features

oil spill

Environment

From the archives: When oil turned Alaska's coastline black

Regulars

Curiosity rovr

Space

Curiosity is entering what may be the best area to find life on Mars

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A cow standing in a field

Life

We could soon make animals with cells that contain two genetic codes

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Kepler-452b

Space

We’ve found 4000 exoplanets but almost zero are right for life

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sharks

Life

Don't miss: Shark crime, optical games and dairy in the cross hairs

Culture

Dead whale found with 40 kilograms of plastic in its stomach

Earth

Dead whale found with 40 kilograms of plastic in its stomach

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vaquita

Environment

World's most endangered marine mammal is now down to 10 animals

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flower hat jellyfish

Life

Flower hat jelly has colour-tipped tentacles for paralysing small fish

The flower hat jelly uses its fluorescent-tipped tentacles to catch and kill small fish by paralysing them with venom

Regulars

Life

Secretive new frog species from ancient lineage discovered in India

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Technology

China plans world's first deep sea base, complete with robot subs

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Life

Squid teeth could help make bioplastics and self-repairing clothes

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Video

Britain's wildlife needs you

Video