Apr. 4, 2025 — New research shows how small shifts in the molecular makeup of a virus can profoundly alter its fate. These shifts could turn a deadly pathogen into a harmless bug or supercharge ...

April 1, 2025 • Most iguanas are indigenous to the Americas. So how did the Fijian species end up on the island, nearly 5000 miles away in the South Pacific? According to a new study in the ...

Apr. 4, 2025 — A hidden threat facing one of Australia's most iconic birds has been uncovered in a new study. The critically endangered regent honeyeater once numbered in the hundreds of ...

Animal experiments are widely used to develop new medicines and to test the safety of other products. Many of these experiments cause pain to the animals involved or reduce their quality of life ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Max Genecov is a doctoral candidate in ...

WATCH: Sharks biting alligators, the most epic lion battles, and MUCH more. Enter your email in the box below to get the most mind-blowing animal stories and videos delivered directly to your inbox ...

Two decades ago, Jaap de Roode made a discovery that changed his scientific career. While researching the ecology and evolution of parasites and their hosts, he came across something truly ...

Tiger: A tiger can bring down prey twice its size and lift up to 550 kg, which is double its body weight ...

Rational argument about the right and wrong way to treat animals is made more difficult by the deep love that many of us feel for animals. For philosophers it raises fundamental questions about ...

In the animal kingdom, pregnancy is usually the role of the female, but a few unique species have flipped this biological norm. Male pregnancy evolved in these species to increase reproductive success ...