Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast. That basic ...

Wild scarlet monkeyflowers in California survived a historic drought by relying on a rapid evolution, marking the first time the process has been observed in the wild.

A recent study published in the American Journal of Human Biology suggests that a genetic preference for immediate rewards is linked to less education and earlier parenthood. This provides evidence ...

Researchers uncovered millions of ancient plant DNA switches—some older than flowering plants themselves—revealing a hidden evolutionary blueprint stretching back 400 million years. Most people have ...

Snakes have lost the gene that encodes ghrelin, a hormone that helps regulate hunger in many vertebrates, according to a new study.

In Lake Malawi, hundreds of species of cichlid fish have evolved with astonishing speed, offering scientists a rare opportunity to study how biodiversity arises.

For more than a century, the human appendix has been written off as a biological relic, a shrunken leftover from plant-eating ancestors that serves no real purpose. That view is now outdated. A ...

Why does a Caribbean angelfish sometimes resemble its Indo-Pacific cousin, even though they have never lived in the same ocean? Why do coral reefs harbor such a wide range of stripes, spots and ...

New research suggests oysters may rely on hidden microbes to help build their shells and maintain chemistry as oceans grow more acidic.

A newborn cannot speak, read, or walk. Yet moments after entering the world, the infant brain already responds to rhythm and ...

A study by researchers from The University of Texas at El Paso shows that rattling serves as a potent deterrent for a wide range of animals and is especially effective among species that naturally ...