Evolutionary Biology

An analysis suggests Nanotyrannus is a separate, smaller dinosaur that lived alongside T. rex, settling a 30-year debate

Saturn’s moon Enceladus shows signs of life-supporting chemistry, fungi may have shaped Earth before plants, and repeat COVID infections raise long-term health risks for kids.

Wild chimps ingest the equivalent of multiple alcoholic beverages a day

Researchers have finally traced the origin of the spotted ratfish’s bizarre forehead teeth, which are used for mating

Traditional biology has long ignored nature’s sexual diversity—but evolution tells a far more complex story.

The first analysis of mushroom bitterness reveals ultrapotent compounds

This Father’s Day, we’re celebrating the unusually involved Djungarian hamster dads

The Haenyeo, an all-female group of divers on South Korea’s Jeju Island, spend much of their lives underwater without equipment—a “superpower” that may be written into their DNA

Mounting evidence from genome studies indicates that, contrary to received wisdom, our species has undergone profound biological adaptation in its recent evolutionary past

Your orange cat may host a never-before-seen genetic pathway for color pigmentation, according to new studies

Nicknamed the “bone collector,” this newly confirmed caterpillar in Hawaii secretly scrounges off a spider landlord by covering itself with dead insect body parts

The first physical evidence of Roman gladiators fighting animals has been found in skeletal remains from England