earliest animal

Exclusive: 600-million-year old blobs are earliest animals ever found

In the beginning: The full story of life on Earth can finally be told

The mummified penguins that hold the secrets of Antarctica's past

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zebrafish

Probability helps zebrafish stay in schools when faced with predators

We've dug up tiny animals from beneath a frozen Antarctic lake

We've dug up tiny animals from beneath a frozen Antarctic lake

A picture of the simulation

Robot version of our distant ancestor hints at how we learned to walk

cuttlefish embryo

Cuttlefish embryos can see and recognise predators before they hatch

(Coenobita compressus) walking in sand. San Cristobal island, Galapagos.

Long penises help hermit crabs avoid being robbed during sex

hagfish

How hagfish can make enough slime to clog a shark's jaws in seconds

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books

Books of 2019: Our pick of the best forthcoming reads

cleaner wrasse fish

The animal economists that can wheel and deal as well as any human

wildfire

The most eye-catching science and tech news stories of 2018

The Republican Reversal shows how the US party is like Soviet Russia

The Republican Reversal shows how the US party is like Soviet Russia

cartoon bear

The mysterious demise of Europe's massive cave bears

marine iguana

Lost 'Darwinia' islands could be origin of species in the Galapagos