A large international team has genetically mapped glasswing butterflies found across Central and South America, rewriting the ...

An international team has remapped the evolutionary relationships of butterflies found across South and Central America to help monitor and support biodiversity.

It's hard to tell when—and why—our ancestors got down from trees and started walking on two legs. Many early hominins capable ...

A glimmer of hope has emerged for Britain's beloved ash trees. According to a new study published in Science, some wild ash ...

In the quest to understand how and why early humans started walking on two legs, scientists are now looking to chimpanzees living in dry, open savannah-like environments for clues. A new study reveals ...

Human testicles are much smaller, in proportion, to some of our primate cousins. Evolution can tell us why. But the size of ...

Mirasaura grauvogeli had a featherlike crest and a tail like a monkey. “It's been a long time since I've been so blown away ...

Ancient proteins from a 20-million-year-old rhino tooth are transforming our understanding of evolution. Researchers have ...

Ancient trackways in seabed mud show animals moved purposefully 10 million years before the Cambrian Explosion.

Scientists found a 247-million-year-old reptile, Mirasaura grauvogeli, with a feather-like crest that lived in trees.

A delicate, innocuous little fossil reptile known as Mirasaura grauvogeli – “Grauvogel’s wonder reptile” – is forcing a ...

Bark beetles have impacted nearly 80% of Colorado’s pine forests, and yet ecologists say the devastation is a sign of climate ...