A new analysis suggests mammograms may lead to far less breast cancer overdiagnosis than some earlier studies indicated.

Scientists discovered a surprising energy paradox in the brain during REM sleep, the stage most closely associated with ...

Tirzepatide, sold as Mounjaro and Zepbound, activated calorie-burning brown fat in obese mice, revealing a potential ...

Scientists have found that a famous 2-billion-year-old chemical signature, once thought to record a massive global change in ...

A massive national study found that nearly half of Americans with kidney failure who are referred for a transplant never even begin the evaluation process, and only 19% make it onto the transplant ...

A study of 225 newborns suggests prenatal estrogen may have played a role in the evolution of larger human brains. Boys with finger-length patterns linked to higher estrogen exposure before birth ...

Cats may identify one another through a surprisingly durable chemical “calling card” made from 13 unusual fatty acids in ...

Scientists at Oak Ridge National Laboratory have developed a surprisingly simple way to turn polyethylene, the common plastic used in shopping bags and cutting boards, into gasoline and diesel-like ...

A long-standing law of thermodynamics turns out to have a loophole at the smallest scales. Researchers have shown that quantum engines made of correlated particles can exceed the traditional ...