Science

Women who have just stopped menopausal hormone therapy might have a small increased risk of bone fractures compared with those…

Some dinosaurs were fussy eaters. Certain herbivorous dinosaurs preferred specific parts of plants, challenging long-standing assumptions about their diets, a…

Shimmering like spun gold, sea silk fabric is so lustrous that some believe it inspired the Greek legends of Jason’s…

A beautiful menace is on the move in the United States. Polka-dotted, red-and-gray-winged insects are gliding along sidewalks, climbing on…

The sky abounds with aerosols, tiny particles with large sway over Earth’s temperature. A new NASA visualization reveals how these…

Bioengineer Rohan Ingrole needed to floss a mouse’s teeth. The intent wasn’t to help mice get a clean bill of…

Severe allergic reactions can be swift and deadly. Two new studies of mice, published August 7 in Science, reveal a…

Some tattoos do age well. More than two millennia ago, a woman sat down for a couple of inking sessions.…

Stone tools unearthed on the Indonesian island of Sulawesi suggest that ancient human relatives arrived there between about 1 million…

Mosses may appear simple, but they’re far from fragile. They thrive in some of the harshest places on Earth —…