Bryan Johnson, the founder of Braintree and subject of a new Netflix doc, is on a quest for remarkable longevity.

Cavemen survived on less, according to a sleep therapist Merijn van de Laar's new book. In it, he argues that ending the ...

Conflict around gray wolves has become so hostile, the U.S. government hired a mediator. Her task is a difficult one.

At least five people have been killed, but a county sheriff said the exact death toll was uncertain as burned neighborhoods ...

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