Evolution

Looking to fire-adapted trees and animals could reduce the impacts of California’s deadly blazes

The enormous crater is among the 25 largest known on Earth, and likely came from a meteorite impact within the past three million years

Immigrants to the U.S. lose their native mix of gut microbes almost immediately after arriving in the U.S.—which researchers can't quite explain. Christopher Intagliata reports. 

Paleontologists are still searching to uncover the deep history of nature's hitchhikers. 

But the dolphins are no slouches either

Adult humans laugh primarily on the exhale, but human babies laugh on the inhale and the exhale—as do chimps. Christopher Intagliata reports.

Researchers recorded piranha "honks" and catfish "screeches" in the Peruvian Amazon, which might illuminate fish activity in murky jungle waters. Christopher Intagliata reports.

A new analysis gives the fossil bird Confuciusornis an updated look.

Listening to the sounds panda pairs make when they're introduced could lead to better breeding success. Christopher Intagliata reports.

The finding could help answer a longstanding question of how massive stone blocks were hauled into place

The hues and patterns of modern bird eggs trace back to their dinosaurian ancestors

A tiny fly, related to biting no-see-ums, pollinates cacao trees and enables our chocolate cravings. Christopher Intagliata reports.