More than 5,000 years after his death, Ötzi the Iceman is still hosting a remarkable mix of ancient and modern microorganisms ...

Metal-rich asteroids could one day become hardware stores for Mars, supplying the materials needed to build and repair a ...

Glyphosate was long thought to be safe for honeybees because they lack the enzyme the chemical targets in weeds. However, ...

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

A supermassive black hole has been found lurking about 30,000 light-years from the center of its galaxy—the first dormant ...

Genetic changes may set off a chain reaction that causes the spine’s natural shock absorbers to harden and deteriorate.

A landmark study of nearly 4,000 babies found that acetaminophen and ibuprofen were equally safe during infancy. Neither medicine was linked to eczema or bronchiolitis, and no serious side effects ...

A new hollow nanoreactor mimics living cells to make hydrogen peroxide more efficiently using visible light. Its ...

A study funded by the National Institutes of Health (NIH) has uncovered a major shift in the immune environment of the hippocampus, the part of the brain that plays a central role in learning and ...

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

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 ...