A protein in brown fat answers to the body clock, cold and dietary fat, and mice lacking it burned less fuel, a new study ...

When Pangea's tropical forests died 252 million years ago, Earth stayed in a hothouse for five million years. New fossil maps ...

Stars once thought to provide evidence of hypernovae may instead owe their unusual chemistry to ordinary supernovae that ...

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

Senescent cells in mouse lung and skin share a fat-linked signal a laser can detect, a step toward finding them without a ...

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

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

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

Gut bacteria may have accompanied humans for thousands of years, but many species are missing from industrialized populations ...

A study of 77 Chinese cities reveals how decades of high-rise construction have reduced winter sunlight across older ...

Psychopathy is not one simple personality type. Different traits were linked with different patterns of language.

Fossil teeth reveal that T. rex maintained a body temperature similar to humans, offering new clues about dinosaur metabolism ...