Science

LONDON — A protein marker of Alzheimer’s disease in the brain may also help diagnose cases of the brain condition…

It’s not just eyes on a fire — it’s now ears, too. A low-intensity grassland fire “hums” loudly enough to…

In the Miocene, 10 million years ago, the Central American Seaway separated North and South America, leaving the southern continent…

High in the forested canopy of Democratic Republic of Congo, an all-black monkey turned its back to a photographer’s camera.…

Women who had an experimental therapy to treat their autoimmune disease had successful pregnancies, a small study finds. After CAR…

After decades in tourist camps and circuses, African elephants that were returned to the wild are behaving, in many respects,…

Betelgeuse’s companion star is finally ready for its close-up. Astronomers have taken a clear portrait of an ordinary star orbiting…

Exposure to trace metals and “forever chemicals” may be prematurely aging dolphins, raising concerns about both marine pollution and human health impacts. …

Seals, sea lions and walruses — collectively known as pinnipeds — are the only mammals with excellent hearing both above…

Clues to saber-toothed cats’ demise are emerging from fossils entombed in California’s sticky La Brea Tar Pits. Fossils of the…