A male maratus splendens spider on a stalk of grass.

Tiny Splendid Peacock Spiders

They have the fastest known jump among their kind according to a new study.
A Java Sparrow

Hard Bites and Slow Songs

How beak size affects the singing and evolution of songbirds.
A trio of woolly mammoths trudges over snow covered hills. Behind them, mountains with snow covered peaks rise above dark green forests of fir trees. 3D Rendering

Did Inbreeding Cause the Woolly Mammoth’s Extinction?

Research suggests it was more sudden than that.
Eoraptor lunensis lived roughly 230 million years ago, at a time when dinosaurs were small and rare.

Growing Quickly Helped the Earliest Dinosaurs

Rapid growth also helped other ancient reptiles flourish in the aftermath of mass extinction.
Tiny crabs and other sea life live next to a hot hydrothermal vent on the ocean's floor.

The Ocean Vents Where Life on Earth Likely Began

In a recent paper, biologists outlined a three-part hypothesis for how all life as we know it began.
Eoneophron infernalis

A Fresh Hell (Chicken)

A newly identified “Hell chicken” species suggests dinosaurs weren’t sliding toward extinction before the fateful asteroid hit.

Scrub-a-Dub in a Medieval Tub

Contrary to popular misconceptions, Europeans in the Middle Ages took pains to keep themselves clean.
A White-crowned Sparrow

A Noisy City Affects Birdsong

As anthropogenic ambient noise increases in urban areas, birds adapt their songs to make themselves heard.
Salmo trutta (Brown trout)

To Study Today’s Ecosystems, Look to History

An unlikely source of data about the decline of trout in modern Spain: a book from the 1850s.