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

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 ...

A ten-month Antarctic experiment found that astronauts may struggle not only with loneliness but also with spending too much ...

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

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

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 ...

Beginning around age 50, the brain’s memory center appears to lose many of its longtime immune cells and replace them with more inflammatory ones. This surprising shift may help explain how normal ...

Scientists have demonstrated that heat can move through a crystal in focused, wave-like rays at room temperature instead of ...

Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the driving force behind creation. Their simulations show that gravity and ...