Earth’s molten iron core unexpectedly reversed direction beneath the Pacific, revealing a dramatic change in the hidden ...

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

A new wearable patch may help people reach REM sleep faster and remain there longer without medication or surgery. In a study ...

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

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

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

Blocking the glycine transporter SLC6A20 restored important brain signaling and improved social, communication, and ...

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

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 ...