Marine otters live on rocky coasts with extreme swells and strong winds, with their dens built into crevices and caves.

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Leopards, cheetahs, Egyptian maus — a variety of cats have stunning spots. Others, like tigers, have stripes; still others, like lions, lack patterns on their coats. But how do cats get their spots, ...

Although there may be some earlier evidence of ritual practices by modern humans, such as the 40,000-year-old "lion man" ...

Trillions of tons of hydrogen gas are likely buried in rocks and reservoirs beneath Earth's surface, but researchers aren't ...

The Geminid meteor shower peaks overnight on Dec. 13 and 14. Up to 120 "shooting stars" per hour will rain down on Earth, but a near-full moon may hamper viewing.

Researchers at The Ohio State University (OSU) assigned the 508 young adults, who were all keen to give up vaping, to four ...

The inner lining of the small intestine nearly doubles in size during pregnancy and breastfeeding, according to new research ...

Researchers have detected a giant tail of gas leaking from an exoplanet near Earth. The giant structure, which is up to ...

Boost your stamina this January — from budget-friendly picks to foldable running machines and premium options, these are the best treadmills to invest in this Christmas. When you purchase ...

The Marble Caves sit on the shores of a turquoise glacial lake in southern Chile. Light bounces off the water onto the walls, ...