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Mars

Space

Mars used to have wet and dry seasons similar to ones on Earth

The Curiosity rover has discovered hexagonal patterns in ancient mud on the Red Planet, which hints at cyclical wet and dry periods and boosts chances Mars once hosted life

News

Life

Neuron-like machinery helps anemones decide when to sting

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Chemistry

Chemical reaction used in cooking may have helped complex life evolve

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The centre of the galaxy

Space

Essential molecule for life spotted floating in space for first time

News

Why do so many people believe aliens have visited Earth?

Space

Why do so many people believe aliens have visited Earth?

Comment

Life

Shortage of male turtles could be solved by splash of cold seawater

News

Environment

Eunice Newton Foote: The woman who discovered the greenhouse effect

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Society

English industrialist stole iron technique from Black metallurgists

News

Greg Rouse, Scripps Oceanography The Osedax body is visible inside the root of the tooth on the left and the piece emerging from the lower left is the gelatinous tube of the Osedax worm. The worm can retract inside when disturbed so we can see it properly in the picture.

Life

Zombie worms devour shark teeth that fall to the ocean floor

News

Why have orcas been damaging and sinking so many boats?

Life

Why have orcas been damaging and sinking so many boats?

Orcas have been documented damaging or sinking boats off the coast of Spain and Portugal, but these altercations may simply be the whales scratching their backs on boats or playing terrifying games

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Life

How a radical redefinition of life could help us find aliens

Features

Environment

UK and Ireland suffer one of the most severe marine heatwaves on Earth

News

Space

Space germs: How can we avoid contaminating other worlds?

News

Life

1.6-billion-year-old steroids may be traces of earliest complex life

News