The rare fossil hints that differences in plumage may explain why some Cretaceous-era birds survived an asteroid impact but ...

A record player-like microscope and computer simulations solve a longtime mystery, showing that metal ions bridge DNA strands ...

Space scientists aren’t so sure. As light travels from space to the ground, it scatters off molecules in the atmosphere, says ...

Daily sea surface temperatures in the region where El Niño develops are more extreme than at any point in recorded history.

Genetic testing of two tiny tiger cats from Bolivia revealed a new species, adding a new branch to the feline family tree.

When AI agents hack real systems, the bigger issue may be the human choices that gave them access, autonomy and too few ...

Major hormonal milestones in women’s lives are usually associated with changes in brain volume — but a new study shows ...

The XENONnT detector glimpsed the ethereal subatomic particles that are born from the main type of fusion reaction that ...

As human-caused climate warming destabilizes high mountain regions, the threat of rock-ice avalanches and other glacial ...

Scientists engineered roses that made both a blue pigment and a colorless helper molecule that brought out its shade.

The newest “Dragon Hatchling” AI model is testing whether skipping words in intermediate reasoning could cut computational cost.

A thickening cortex, as shown in MRIs, preceded amyloid-beta accumulation, a known hallmark of Alzheimer’s disease, by up to seven years.