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Google unveiled an experimental machine capable of tasks that a traditional supercomputer could not master in 10 septillion years. (That's older than the universe.)

The two solvents, known as Perc and TCE, cause kidney cancer and other ailments, and have been the subject of years of controversy.

New technology alerts schools when students type words related to suicide. But do the timely interventions balance out the false alarms?

Human-caused global warming helped increase dry conditions on every continent, scientists said in a new report, as talks on halting desertification were underway in Saudi Arabia.

"We're putting another burden on the elderly that we don't have to," one researcher said.

In a remote Congolese town, a medical mystery led to the discovery of alarming changes in the mpox virus and, eventually, to a global health emergency.

The United Nations chief inspector says production has quadrupled. But it is not clear whether Iran is trying to touch off a crisis or gather bargaining chips for negotiations with the United States.

It's not the just the elderly. More than three-quarters of heat-related deaths in Mexico occurred among people younger than 35, researchers reported.

The new rules call for testing unpasteurized milk from dairies across the country and for farm owners to provide details that would help officials identify and track cases more easily.

Wisdom, a Laysan albatross, has outlived at least three mates and the researcher who outfitted her with a tracking band in 1956.