The South American tiger cat is not one species but five distinct species, a new study finds.

Ancient DNA from Chilean mummies is the first ever molecular evidence that European colonizers brought smallpox to the Americas, decimating Indigenous populations.

When Robert Jago’s brother-in-law, a local politician in Montreal, Canada, shared a photo on Facebook greeting Indigenous leaders, Jago said he immediately knew the leaders as frauds. “They were kind…

A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in socially complex species. The findings show diverse sexual behaviors are common — and likely beneficial in primates.

Welcome to the September 2025 Sharon Dunwoody Science Journalism Mentoring Program cohort! This program brings together 16 early-career science journalists for a three-month peer-mentoring experience.

As human-caused sound gets louder around the world, some animals change their behavior and many creatures suffer health issues

New research on the rhythmic drumming and complex calls of chimpanzees could point scientists to the origins of language.

From high-altitude climbers to divers who can fish without scuba gear, scientists are finding new ways that human bodies may be genetically adapting to environmental extremes.

Limiting heating to 1.5 degrees Celsius could spare 613 million of today's youth from

The predators have increased by almost 60 percent on the continent

Cuttlefish change colors to hide, hunt, and communicate—and, these scientists think, when they dream.