Even among the world's most elite gymnasts, American Simone Biles, now competing in her third Olympic Games, is a standout.

With its moonless sky, the first week of August is one of the best times all year to see the Milky Way and meteor showers ...

Plants growing at the bottom of sinkholes in China's Dashiwei Tiankeng Group don't take up as much carbon as surface plants ...

An Incisive History of Teeth, from Hagfish to Humans," Bill Schutt looks at the creatures with the strongest bite forces in ...

"Flossing before brushing will allow removal of any food debris and plaque accumulation between the surfaces of teeth," ...

Scientists are developing an engineered parasite to get drugs into the brain. A parasite called Toxoplasma gondii lurks ...

A massive water-treatment facility located near the Nile River may have been used to build the pyramid of Djoser.

Researchers have devised an "absurdly fast" algorithm to solve the problem of finding the fastest flow through a network.

In a new study, women who followed diets low in added sugar and high in nutrients had "younger-looking" cells.

Cognitive expertise refers to factors such as decision-making, attention and perception, which are essential for skilled ...

Geologists have revealed new details about a recent geyser eruption at Yellowstone National Park, including the shallow depth ...

The home, which was built around 1660, would have been owned by an affluent family based on the artifacts found there.