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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 ...

Scientists have successfully grown kidneys made of mostly human cells inside pig embryos — taking researchers yet another step down the long road toward generating viable human organs for transplant.

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.

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

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

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

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 ...

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