Visually, you can imagine the animal as a ‘sandworm’ from the ‘Dune’ science fiction novels and their movie adaptation.” Prof ...

In the shadowy depths of the ocean, giant isopods oversized relatives of pill bugs scavenge the seafloor with their armored ...

An analysis of the sloth family tree suggests three different groups of the animals evolved to gigantic sizes in response to ...

Working with local Indigenous people, biologist František Vejmělka spent six months surveying the creatures that live on ...

A gigantic woolly mountain rat has finally been captured on camera deep in New Guinea’s remote forests.

The world's second-biggest rat species — a gargantuan woolly beast — was caught on camera in the mountains of New Guinea.

The repeated evolution of huge birds is part of the dinosaurian legacy. Beaked birds were the only dinosaurs to have survived ...

Scientists call this phenomenon island gigantism — when smaller species, isolated on islands, grow far larger to fill ecological gaps. Usually, it happens gradually. But the Haast’s eagle’s ...

Animal testing remains a fundamental part of biomedical research. But as funding evaporates, mice, rats and even monkeys may be euthanized. By Emily Anthes On April 1, the Trump administration’s ...

Why do some ancient animals become fossils while others disappear without a trace? A new study from the University of Lausanne, published in Nature Communications, reveals that part of the answer ...

Cockroaches that catch a ride on ants. Grasshoppers that climb aboard sheep. Hitchhiking animals are more common than you think. A classic example of phoresy, the remora uses a modified fin that ...