Teens who spend more time online report more mental health symptoms, but a twin study suggests screen time may not be the ...

Spotted bats in an Arizona cave share maternal DNA with bats that died there 2,100 years ago, while the Southwest holds most of their variety.

Reintroducing bison to Kansas prairies doubled native plant diversity over decades, helping grasslands recover from drought ...

Enceladus' ocean spray freezes slowly and shatters into grains that each carry mostly one salt, which could make signs of ...

Eleven of 26 Iron Age skulls from Matelica, Italy, show flat head syndrome, the earliest known cases in Italy, long before ...

Aging muscle swaps power fibers for protective ones as a key fat declines, and in mice, an antioxidant that blocked the ...

New research reveals how the forever chemical PFOS disrupts a key immune protein, allowing flu and other viruses to multiply ...

At Miseeda, Sudan, a 7th-century church was built around a life-size rock carving that may show a Kushite ruler and mark an ...

Volunteers digging on Lismore, Scotland, uncovered St Mo Luóc's lost monastery, with graves, carved crosses and a workshop where gold was melted.

A space debris shield of hollow metal eggs cut a projectile's speed by 64.9 percent in simulations, well past the 51 percent ...

A rare flower in Thailand mimics figs to deceive wasps while rewarding flies with a place to raise their young, revealing an ...

Hourly wind readings from one Antarctic radar cut forecast errors for seven atmospheric rivers bringing rain to the Southern Hemisphere.