More REM sleep was linked to lower disease risk across 83 conditions, while sleeping under five hours was tied to most of the increased risk.

Rising heat is quietly affecting workers worldwide, revealing a major economic cost of climate change that has often been overlooked.

There is a Napoleon who was genuinely afraid of cats. He is not the one everyone means. Ailurophobia is a real condition, not a dislike. It describes an extreme and irrational fear of cats, capable of ...

Ancient placoderms evolved different jaw designs for crushing or breaking hard prey, depending partly on predator-prey size ...

A Diplodocus fossil in Spain shows the famous dinosaur lived beyond North America during the Late Jurassic period.

Amazon forest restoration cost the most and delivered the smallest gains, while protecting standing forest from fire and logging helped wildlife the most.

Quantum jumps of sound were recorded in a chip-sized crystal bar, and the same readings could catch errors inside a quantum ...

Mizyn figurines reveal that Ice Age artists incorporated mammoth tusk patterns, showing how natural ivory helped shape ancient art.

A new map identifies the third of U.S. rivers most likely to sustain freshwater biodiversity, but almost none of those waterways are protected.

Genetic risk for PTSD appears to interact differently with different traumatic experiences, with some of the strongest patterns linked to childhood trauma.

Severe heating changed soy protein, reduced amino acid availability in mice, and altered one social response after feeding.

Hidden errors in temperature data could be causing researchers to underestimate the real-world impacts of climate change.