Ancient RNA from Yuka, a 40,000-year-old woolly mammoth preserved in permafrost, can offer new biological insights into the Ice Age animal’s life.

After a decades-long hiatus, new world screwworm populations have surged in Central America and Mexico — and are inching northward.

The drug enlicitide reduced cholesterol for adults with high levels due to an inherited disorder and may also work for a broader population.

Interruptions, to-do lists, lack of autonomy — “time poverty” depends more on perceived shortages of time than actual ones, recent research suggests.

Some of the earliest images ever taken in the wake of massive star’s death give astronomers important clues about what triggers a supernova.

An analysis of mining plumes in the Pacific Ocean reveals they kick up particles sized similarly to the more nutritious tidbits that plankton eat.

Some “clicks” made by sperm whales may actually be “clacks,” but marine biologists debate what, if anything, that means.

President Trump has argued the U.S. should test nuclear weapons because other countries are doing it. But scientific data suggest they’re not.

A child-friendly brain imaging technique is just one way neuroscientist Cat Camacho investigates how children learn to process emotions.

Streams of liquid form drops thanks to unidentified disturbances. It could be the jiggling of individual molecules.

No, aliens had nothing to do with a winding 1.5-kilometer-long path of holes. First used as a market, the Inca then repurposed it for tax collection.

From growing smaller leaves to shape-shifting its insides, a desert flowering plant goes all in to flourish in the harshest of conditions.