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 ...

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 ...

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 ...

Scientists have found a way to revive vancomycin, a powerful antibiotic that some dangerous bacteria have learned to resist. Instead of creating an entirely new drug, researchers paired vancomycin ...

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, ...

A single dose of psilocybin produced measurable changes in brain activity and possible changes in brain structure that lasted for up to a month. Participants who experienced the greatest increase in ...

Researchers are applying evolutionary theory to cancer by changing treatments before tumors have time to develop resistance. Mathematical models suggest that rapid, carefully timed switches between ...

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 ...