The strongest El Niño on record has arrived. Experts worry the U.S. isn’t prepared for its impacts.

Even if they stopped emitting tomorrow, their past emissions will keep raising global temperatures, new research shows.

A new report describes this year’s ​El Niño as a “postcard from the future,” delivering unusually warm temperatures that will become normal in just a few decades.

One Earth day rarely adds up to exactly 24 hours. Scientists found one (of many) reasons why.

A planetary “health check” shows that many of Earth’s critical systems have entered dangerous territory.

A new study narrows the timeline for the emergence of life on Earth.

Forecasters are eyeing a potentially strong nor’easter that could hit later this week.

A new study of found hidden glaciers equivalent to “roughly 600 Olympic-sized swimming pools,” and its secrets may help fight future droughts.

Scientists recorded 1,399 local quakes since North Korea began its underground nuclear tests—a spike unlike anything the region has seen since seismic activity was first catalogued there.

Not a single hurricane has formed in the Atlantic basin yet this year.

A new report ranks the highest emitting methane sources from three major oil and gas basins in the U.S.

The strongest heat dome on the planet is currently smothering the southern United States.

The breakup of Canada’s last intact ice shelf caused the freshwater lake to drain away in just a few months.

Sea surface temperatures in a key region of the tropical Pacific are on the cusp of history.

The water, should it exist, dates back to our planet’s earliest days.

New research suggests that Antarctica and Greenland have lost more than 11 trillion tons of ice since the 1970s, and the main driver isn’t surface melting.

“Among all that debris have been a lot of interesting items, some wacky, some yucky, and others… puzzling?”