At an archaeological site in Peru, researchers have found the remains of hundreds of children and llamas sacrificed in the 15th century.

Roberto Bolli was editor of the American Heart Association’s journal until last week, after anti-gay comments he sent to the Louisville Ballet became public.

Since a February blaze displaced 10 research groups, “phenomenally generous” support has emerged from across campus and the world as scientists wait to return to the bench.

A study in rats finds that tiny doses of the psychedelic drug DMT may yield positive effects for anxiety and depression, but there could be downsides too.

These Type D killer whales have blunter heads and a different color pattern than other orcas. A new species designation hinges on the results of genetic testing.

Scientists have manipulated the electrical signals that help guide flatworms in regenerating their body parts to encourage a flatworm to grow two heads.

In CRISPRed fruit flies that lack certain antimicrobial peptides, bacterial infections flourish, as revealed by fluorescent markers.

The nasal spray to ease intractable depression appears on the US market after decades without novel antidepressant treatments.

Slithering snakes mimic waves of light, “diffracting” as they pass by an obstacle.

A virtual exhibition of C.R. Percival’s slides reveals the natural world up close.

An analysis of the contours of more than 600 kids’ brains points to links between cerebral surface area and heritability in regions of the brain important in cognition.  

On Saturday, the US President announced that he would soon issue an executive order denying funds to colleges and universities that fail to protect free speech.