Metallica frontman James Hetfield proposed to his girlfriend Adriana Gillett during an underwater shark dive on Friday, March ...

New research suggests Mars may have remained habitable much longer than scientists once thought. Ancient sand dunes in Gale Crater appear to have been soaked by underground water billions of years ago ...

Hundreds of women have taken part in an annual sea swim to celebrate International Women's Day. About 1,000 participants took ...

Across the Indonesian islands in the Coral Triangle, daily life remains shaped by the sea. See the lives of the islanders through a photographer's lens.