Dolphins may use whistles like humans use names

Scientists say that whistles that dolphins make may represent individuals, the way humans use names. This discovery is a first. Read more here.

2022 was 3rd hottest summer in US

The U.S. just had its 3rd hottest summer on record. From June 1 to August 31, 2022, temperatures averaged 73.9 F (23.2 C). Read more about the summer weather.

Popocatépetl volcano erupts twice, spews ash

Popocatépetl volcano has been active - smoking - for some years. But on September 9, 2022, it released ash that could endanger aircraft. See images here.

No named Atlantic storms in August, 1st time in 25 years

There were no named Atlantic storms for August, but activity is picking up. New Tropical Storm Danielle could strengthen to a hurricane in a couple of days.

Drought around the world, August 2022, in dramatic images

Drought is crippling many regions of the world in 2022, from the US and Europe to China and the Horn of Africa. As waters recede, artifacts are appearing.

Did a 2nd asteroid help kill the dinosaurs?

Scientists found a crater in the North Atlantic that's 66 million years old, which could be a 2nd asteroid related to the dinosaur-killing Chicxulub event.

Sudden downpour in Paris floods metro stations

Paris floods inundated some metro stations on Tuesday evening, August 16. A sudden, torrential rain struck the city just as commuters were leaving work.

Freya the walrus killed, social media erupts

Freya, a young female walrus, had been lounging in the sun in an Oslo, Norway fjord for weeks. But, on August 14, Norway's fisheries directorate killed her.

Did giant meteorite impacts create the continents?

Scientists studying the Pilbara Craton in Western Australia have found evidence that the continents got their start from giant meteorite impacts.

Antarctic sea ice for July 2022 lowest on record

Antarctic sea ice for July 2022 was lowest in the 44-year satellite record. Arctic sea ice extent for July 2022 was 12th-lowest on record.