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

Daniel Ellsberg, the anti-war activist who copied and leaked documents that revealed secret details

When monkeys in Thailand use stones as hammers and anvils to help them crack open nuts, they often a

The failure to commercialize cellulosic ethanol has led many industry players to write off the much-

NEW YORK ― When the precocious orphans of "Annie" sneer, "We love you, Miss Hannigan," you just migh

This story has been updated with EPA’s response.President Donald Trump’s administration has launched

For years, experts in conservation and climate science have urgently pursued two parallel paths—one

InsideClimate News announced Monday that Vernon Loeb, an award-winning editor, is joining the staff

The last couple of years have been terrific for semiconductor stocks. Well, most semiconductor stock

House Rep. Joaquin Castro underwent surgery Monday to remove tumors from his gastrointestinal tract,

Arctic warming will cost trillions of dollars to the global economy over time as the permafrost thaw

Arctic warming will cost trillions of dollars to the global economy over time as the permafrost thaw

CHARLESTON, W.Va. (AP) — A newly elected state lawmaker in West Virginia is facing at least one felo

BIRMINGHAM, Alabama—Mayor Randall Woodfin promised in December to pivot toward prioritizing sustaina

This story was updated at 10:45 am ET on March 24 to include comments from President Donald Trump, T