Millions of sperm do not always compete alone—some species send them into action as coordinated teams. A sweeping ...

Ancient seafloor sediments have revealed a surprising twist in how the Atlantic’s massive circulation system works. During a ...

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

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

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 ...

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 ...

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 ...

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

A tiny 518-million-year-old sea creature has revealed the earliest known evidence of the structures that eventually became ...