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

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

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

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

A new wearable patch may help people reach REM sleep faster and remain there longer without medication or surgery. In a study of 28 participants, the device shortened the time to REM by 43 minutes and ...

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

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 ...

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

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 ...

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

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 ...