Climate

At least twice, the Arctic Ocean was a freshwater pool cut off from other oceans and capped with almost 3,000 feet of ice.

Researchers with NASA and NOAA released their annual assessments of global temperatures and climate trends, finding 2020 to be one of the hottest years in 140 years of record-keeping.

A chunk of ice about the size of Queens and the Bronx combined has broken off what was, until this fracture, the world's largest iceberg.

A mammoth oil tanker is decaying into the Red Sea, threatening to pollute the water supply of millions of people and the world's most resilient coral reef.

Arctic sea ice has been in decline for a while now, but 2020 is turning out to be the second-worst year ever — with implications for the whole planet.

People in Louisiana are still living in tents after Hurricane Laura made landfall in August.

The American southwest is cooking.

The dry season is turning the pest creatures into dangerous competitors for limited water supplies.

September tied the record for the warmest average global temperatures during that month, according to a new NOAA report.

Unless climate action is swift and dramatic, future upheaval will be catastrophic.

A new report by the Intergovernmental Panel on Climate Change addresses how climate change threatens Earth's oceans and frozen places.

Students around the world are walking out of schools on Friday (Sept. 20) in a global strike for climate action.

Scientists are still trying to understand how the cycle of ice ages works, especially because human-caused climate change may have permanently broken the cycle.

Beneath the Arctic lie billions of barrels of oil. But as the international energy race intensifies, we wonder, how did all that oil get there in the first place?

Following the hottest June ever recorded, July 2019 may have been the single warmest month in history.

The worst day of melting was July 31, when 11 billion tons of melted ice disappeared into the ocean.

Heavy rainfall in December buried plants under a heavy layer of ice.

Heat that shattered records in Europe this week is on the move.