Nearly half of American teenagers say they are online “constantly” despite concerns about the effect

The four-decades long effort to create an HIV vaccine suffered a blow last week with news that Janss

When Greta Thunberg testified before Congress last fall, the teenaged climate activist pointedly off

In early January, an Alzheimer's care facility in Iowa pronounced one of its residents dead. But whe

You're pulling your hair out, trying to fix something on your computer. You Google it and find what

Psychotherapist Katherine Morgan Schafler believes there is more than one kind of perfectionist in t

Many of the world’s most extreme weather events witnessed in 2017, from Europe’s “Lucifer” heat wave

WASHINGTON—Two top senators are again toying with the fancy of enhancing the Department of Energy’s

Israel on Monday began allowing thousands of Palestinians to return to the heavily destroyed north o

This story was updated to reflect that activist Ken Ward was ordered on Feb. 14 to face a new trial

Ariana Grande is sharing a priceless pov from her wedding to Dalton Gomez. In honor of the couple's

"So we're just gonna go in a freezer," says Tulio de Oliveira. We're at the institute that he dire

The AP Top 25 college football pollis back every week throughout the season!Get the poll delivered s

Spain had one of the world’s most ambitious — and generous — plans to boost the amount of electricit

When President-elect Donald Trump takes office next month, his pro-drilling, anti-climate action ene