NASA is preparing for future astronaut landings on the Moon with an unusually ambitious orbital rehearsal. During Artemis III ...

Researchers have developed a fluoride-free gel that could help rebuild damaged tooth enamel, something the body cannot ...

Researchers discovered a proton-assisted mechanism that greatly improves how triplet energy moves between quantum dots and ...

Miniature brain models grown from patients’ cells revealed striking differences in how Alzheimer’s-related tissue responds to ...

A giant planet had been hiding inside one of astronomy’s most closely studied planetary systems, concealed by a bright disk of cosmic dust. Webb revealed Beta Pictoris d through atmospheric traces of ...

Scientists have found a way to revive vancomycin, a powerful antibiotic that some dangerous bacteria have learned to resist.

Ancient fern savannahs may have transformed parts of Europe into a wildfire-prone inferno during the end-Triassic mass extinction. New fossil evidence suggests the ferns repeatedly regrew after fires, ...

Scientists have created a programmable optical chip that can slow light on demand, giving engineers far greater control over ...

Watching television very often in midlife may be linked to troubling brain changes decades later. In a study of about 1,700 ...

A newly discovered turning point in the Sun’s 11-year cycle could allow scientists to predict future solar activity years ...

Researchers have uncovered a surprising culprit behind sleep loss in Alzheimer’s disease: the brain’s own immune cells. In ...

Oxygen is disappearing from oceans, lakes, rivers, and coastal waters at an alarming rate, threatening aquatic life and ...