An exceptionally preserved snake fossil from Brazil reveals that early snakes were far more diverse than scientists once ...

A group of brain cells called orexin neurons appears to help us keep working when reaching a reward becomes increasingly ...

A simple change in posture may subtly affect how people feel and make decisions. Participants who sat upright reported greater feelings of pride and took more successful risks in a virtual balloon ...

Historic wildfires scorched huge areas of Spain and France, with one Spanish blaze burning an area about the size of New York ...

Photons traveling through a cloud of atoms can emerge so early that they appear to have spent a negative amount of time ...

August brings four major celestial events, including a solar eclipse and the peak of the Perseid meteor shower. Dark New Moon skies could make the Perseids especially impressive, while Venus will ...

A spectacular fossil site in Canada contains 567-million-year-old creatures that may represent some of the earliest animals to move, reproduce sexually, and develop recognizable body plans. The ...

Vanderbilt researchers created the first selective compound designed to inhibit TAOK-1, a poorly understood protein connected ...

Scientists have identified a molecular switch that may help explain why aging makes the brain more vulnerable to diseases ...

Low arginine levels may allow cancer cells and viruses to slip past the immune system by reducing production of a crucial ...

Scientists have figured out how two famously poisonous plants create chemicals with surprising medical potential. After ...

Weight loss is not simply a test of willpower. The human brain evolved to protect body fat during times of scarcity, and it ...