Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...

During the first few years of the COVID-19 pandemic, the virus SARS-CoV-2 was detected in an increasing number of non-human ...

Animals have evolved crab-like bodies at least five times throughout history, a process known as carcinization.

A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

In most cases, evolution is a pretty slow process, taking hundreds if not thousands of years—but when humans enter the ...

This 30-million-year-long gap is actually rather helpful to Darwin. It means that there was plenty of time for the ancestor ...

The oldest fossilised remains of complex animals appear suddenly in the fossil record, and as if from nowhere, in rocks that ...

With copper-blue blood prized by modern medicine and a body plan older than dinosaurs, the horseshoe crab reveals how ancient ...

A groundbreaking new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions ...

About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

A new analysis of enigmatic skulls from the Republic of Georgia suggest that Homo erectus wasn't the only human species to ...

A new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in ...