Animal Research

There's a 5.5-million-year-old alien world hiding under Romania

Antarctica's penguins need your mouse clicks

Giant Siberian unicorn may have existed at the same time as humans, fossil find hints

Subterranean cavefish lives deep underground and climbs waterfalls

8 animals that are evolving quickly

10 facts you didn't know about scaleless snakes

Manta rays show signs of self-awareness

Scientists engineer a mutant technicolor zebrafish in the lab

Mysterious 300-million-year-old sea 'monster' is vertebrate, not alien

Horse-sized missing link ancestor of Tyrannosaurus rex discovered

The hydra rips its face open every time it eats, then it heals its mouth shut

Meet Boston Dynamics' family of strange and amazing robots

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