How white supremacists used the loosely moderated social media platform Telegram to inspire lethal violence — until authorities took them down.

There's also a futuristic electric scooter.

SAN FRANCISCO — New data suggest that lenacapavir delivered just once per year could be as effective for HIV prevention as the twice-yearly injections already under review by the FDA.

Erica R. Hendry is the innovations reporter/producer for Smithsonian.com The iconic artist's large-scale painting of this century's music greats debuts at the American History Museum, kicking off ...

Here's the latest news and everything you need to know about the first major wave of NFL player movement this spring.