How are scientists and farmers are working to adapt to bird flu? An expert helps make sense of the latest developments.

Researchers have uncovered how a naturally occurring biological mechanism is able to prevent sperm cells from interacting with an egg.

A look under the eyelids reveal that more happens in the brain during sleep than was previously assumed, researchers report.

A new study finds a statistically significant relation between air lead concentration and infant mortality.

"The eye is a window to the brain reflecting changes associated with neurodegenerative conditions such as Alzheimer's disease."

Fat-tailed dwarf lemurs can turn back the cellular aging clock and momentarily defy time during their annual hibernation season.

A new study shows how a water-rich mineral could explain Mars' color, hinting at a wetter, more habitable past on the Red Planet.

Researchers were shocked to see that bacteria's antimicrobial resistance is strengthened when exposed to plastic particles.

A new prosthetic hand carefully conforms and adjusts its grasp to avoid damaging or mishandling whatever it holds.

New research offers insights into when interventions to prevent cognitive decline might be most effective.