This ancient, leg-bearing snake is rewriting the story of how serpents slithered, and sometimes walked, their way through ...

Humans are the only primates that run nearly naked under the sun. Here’s how this biological tradeoff reshaped how our ...

A reduced genome in an island species raises evolutionary questions.

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

A large international study reveals that mammals tend to live longer when reproduction is suppressed. On average, lifespan ...

A long-disputed rule in biology says bigger is better, but a new computer model illuminates why that’s not necessarily true. By Lauren Leffer Published Jan 18, 2024 11:45 AM EST Get the Popular ...

Learn how jellyfish and sea anemones are changing what we know about the evolutionary purpose of sleep.

Evolution is traditionally associated with a process of increasing complexity and gaining new genes. However, the explosion of the genomic era shows that gene loss and simplification is a much more ...