Tantalizing results from small trials and anecdotes raised hopes that drugs like Ozempic could help. Despite setbacks, researchers aren’t giving up yet.

Stalagmite data suggest Homo floresiensis faced prolonged drought that stressed both them and their prey, contributing to their disappearance.

A reshaped vaccine committee voted to scale back newborn hepatitis B shots despite decades of data showing the birth dose is safe, effective and vital.

Tiny cameras threaded inside a Neandertal skull provide evidence that their big noses were not an adaptation to cold climates.

A closeup look at colibactin’s structure reveals chemical motifs that guide its mutation-wreaking “warheads” to specific stretches of DNA.

By studying the genes responsible for the seahorse’s brood pouch, researchers uncovered a new route to “motherhood.” ...

Human activity can cause “healed” faults to release their stored strength, triggering unexpected quakes in tectonically stable regions.

The most persuasive bots don’t need to tell the best story or cater to a person’s individual beliefs, researchers report in a related paper in Science. Instead, they simply dole out the most ...

A volcanic eruption may have triggered a deadly chain of events that brought the Black Plague to Europe in the 14th century.

An ancient, shared set of human-specific genes underwent changes in a geographically isolated population after around 300,000 years ago, scientists say.

The modern house cat reached China in the 8th century. Before that, another cat — the leopard cat — hunted the rodents in ancient Chinese settlements.

Magic-angle” graphene may provide new clues into poorly understood unconventional superconductors, which operate at higher-than-normal temperatures.