Life was pretty nice during the Ediacaran, so the need for sex was rather limited,” Emily Mitchell, a paleozoologist at the ...

New fossil discoveries are reshaping scientists’ understanding of a pivotal chapter in human evolution, revealing that several human ancestor lineages lived side by side nearly 3 million years ago.

Beneficial mutations happen quite frequently, but the world changes too fast for them to stick.

Many scientists point to cultural evolution, the process by which knowledge, customs and technology spread over time. But ...

From pugs to Persian cats, human aesthetic preferences are driving a new wave of convergent evolution.

The Code as Witness written by Steven C. Quay is part scientific investigation, part policy strategy, and part warning about ...

Ancient grooves on human teeth, once hailed as evidence of tooth-picking, may simply be the result of natural wear, according ...

After six months of silence and a failed recovery effort, NASA has officially ended the MAVEN mission. The fragmented ...

A fish thought to be evolution’s time capsule just surprised scientists. A detailed dissection of the coelacanth — a 400-million-year-old species often called a “living fossil” — revealed that key ...

NASA has declared that the MAVEN mission has ended after losing contact with its probe six months ago.

Gabriel D. Victora's team has turned germinal centers into a living laboratory for one of biology's oldest questions: how ...

At over 10 billion light-years from Earth, the dormant black hole inside the galaxy MRG-M0138 is 15 times farther away than ...