Wrinkles form when skin stretches one way and shrinks the other. Older skin shrinks more, causing it to buckle.

New research shows bird biodiversity loss in Colombia is 60% worse than earlier estimates. Local surveys miss the real damage ...

Birds like Wild guineafowl feel major stress when they try to lead their group. Their heart rates rise most when group members don’t agree.

New research from Rockefeller University reveals how both genes and body size influence whether an ant becomes a queen or a worker.

Researchers studied the L 98-59 system and confirmed five rocky planets. One is in the habitable zone and may support liquid water.

Sperm are such great swimmers because of a slender flagellum that ripples like a living whip, trading brute force for ...

A team of researchers studied seven months of depression scores and body temperature readings from more than 20,000 ...

Optimists' brains show similar activity patterns when imagining future scenarios, while pessimists display varied responses.

Why astronauts lose vision in space-and how research on SANS could lead to solutions for both space crews and patients on ...

New research shows how cell-like vesicles could form in Titan’s methane lakes, hinting at possible steps toward life - without water.

Jaguars in the Pantanal behave more like tolerant neighbors than rivals and have a surprising diet: they mainly hunt fish and caiman.

Scientists found that obesity may exist in 11 biological forms, each linked to different genes and body functions.