Scientists need to track the history of sea temperatures precisely to model climate change. A newly discovered clue in measurements taken by sailors in the 1930s could have far-reaching implications.

The president confirmed a recent report in The Wall Street Journal that he'd asked his advisers to look into purchasing the Arctic island. But Denmark's prime minister says Greenland is not for sale.

Sargassum, a stinky algae, is choking beaches in Mexico and the Caribbean and wreaking havoc on the ecosystem — and tourism. From fertilizer to food, locals are experimenting with new uses for it.

The loss of the longtime hospital in Fort Scott, Kan., has forced a change in the way ER care is provided, including a greater reliance on air ambulances.

Marium became an Internet hit as people marveled over videos of her being cared for by scientists in Thailand. An autopsy revealed plastic pieces in her intestines.

"Never had so much love in my life," Antonio Basco said Friday as hundreds of people whom he had never met showered him with hugs, blessings and support.

The findings come nearly a week after the wealthy financier was found unresponsive in his cell. Epstein had been facing federal sex trafficking charges.

The Trump administration had challenged a court order setting the rules for how detained migrant children should be treated.

"There is a mental illness problem that has to be dealt with. It's not the gun that pulls the trigger — it's the person holding the gun," Trump said to a standing ovation.

It's the most diverse field ever, and the largest in at least 40 years. Potentially two dozen Democrats are entering a long, drawn-out primary process to take on President Trump in 2020.