The largest black hole collision ever recorded has scientists' jaws on the floor — and scratching their heads.

There are no traffic lights, no high-rises, no beaches, and no crowds on tiny Saba. Instead, you’ll find misty mountains, ...

Self-tormenting practices were all the rage in ancient Byzantium, from wearing chains to living on top of small pillars—and ...

A birthday cake had lit candles around it, with each candle representing a year of the celebrant’s life. The celebrant blows ...

The trendy supplement was originally developed as a fabric dye—and later used as a malaria treatment. We asked experts if it ...

The potential for these kinds of machines to reshape computer processing, increase energy efficiency, and revolutionize ...

Child mortality has been halved in the last 25 years. Building on this progress, new innovations in immunization are working ...

The largest piece of Mars on Earth became the most valuable meteorite ever sold at auction at Sotheby’s annual ”Geek Week,” ...

Fevers, fatigue, and a changing complexion? Why modern doctors are still trying to make sense of the symptoms the celebrated ...

Braces, rubber bands, even jaw surgery—millions endure them in pursuit of a straighter smile. But were misaligned smiles ...

The largest dark sky sanctuary in the world is 2.4 million acres of volcanic landscape, deserts, and mountains. Learn how to plan your trip.

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...