Songbirds on the UCLA campus changed beak shapes during the pandemic, according to a new study. Researchers suspect it might be a case of rapid evolution.

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

The classic thought experiment about a horse-sized duck and a hundred duck-sized horses is more than a joke. It captures a ...

Ushikuvirus is a newly identified giant virus that infects amoebas, adding to a growing group of oversized viruses that scientists believe may have played an important role in the emergence of complex ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

It may have fewer than many of the other sciences, but biology does have two dozen or so “rules”—broad generalizations about ...

Measuring the pace of evolution is tricky, but some species can evolve as quickly as a few generations. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

Visitors can wander through halls filled with dinosaur fossils, mounted mammals, minerals and global wildlife specimens.

Reporters from across the United States flocked to eastern Tennessee in July 1925. In the small town of Dayton, biology teacher John Scopes went on trial for the crime of teaching human evolution.

Some 445 million years ago, life on Earth was forever changed. During the geological blink of an eye, glaciers formed over ...

The origins of consciousness date back about 540 million years ago, when animal bodies became more complex. Feelings like pleasure and pain act as a "common currency" for decision-making, as we see in ...