After a Saudi nuclear power deal raised alarm in Israel, President Trump announced online that the arrangement is subject to the kingdom normalizing relations with Israel through the Abraham Accords.

The agreement gives American companies priority access to nuclear reactors and fuel to Saudi Arabia. It's expected to last decades and be worth billions of dollars.

For more than a decade, there's been something fishy going on in a lake that straddles Vermont and the province of Quebec. It involves cancer, a kind of catfish, and — possibly — clues about how tumors metastasize.

The El Niño weather pattern could limit how many Atlantic storms form this year. But unusually warm waters temperatures mean the risk of destructive storms is still high.

Swifts have nested in Jerusalem's Western Wall since biblical times. Now one Israeli paraglider is trying to save them.

Wildfire smoke and unhealthy air persist and shift direction, as Trump demands explanation from Canada.

Flood sirens blared early Thursday in Comfort, Texas, as the Guadalupe River rose more than 30 feet in three hours, the U.S. Geological Survey said. The storm could bring even more rainfall than last year's deadly Fourth of July floods.

Orange skies and heavy smoke covered large parts of the U.S. on Thursday as Canada and Minnesota grapple with wildfires. Hazardous air quality is expected to continue.

Higher oil prices since the Iran war began mean many oil companies have brought in excess profits. Some U.S. lawmakers want to tax those windfall profits and give the money to lower-income Americans.

By altering the definition of the word "harm" as used by the Endangered Species Act, the Trump administration may limit how wildlife is protected in the United States. Environmental groups are suing.