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Fecal analyses and necropsies suggest a fire-footed rope squirrel was the source of a 2023 mpox outbreak among sooty mangabeys in Côte d'Ivoire.

Rufus net-casting spiders can tune the stiffness and elasticity of their webs thanks to loops of silk, scanning electron microscope images reveal.

During a test drive, the mobile lab van uncovered a drug-resistant HIV strain that sprung up after the ongoing war with Russia started.

A collapsed lava tube detected in 30-year-old radar data from Venus may be part of a much wider network of underground caves.

A land dispute may have led to the massacre 3,000 years ago, suggesting Europe's transition to farming wasn't always peaceful.

A new study suggests that inherited traits explain a small but measurable share of why some people relocate far from where they were born.

The TRPV4 protein's dual nature, found in studies with mice, may complicate the hunt for human itch treatments ...

Editor in Chief Nancy Shute discusses how our reporters find unique stories, from vaccine beer to a particle collider's retirement to the rise of AI scientists.

A study in mice and people with osteoarthritis suggests semaglutide can bulk up cartilage between bones, though bigger trials are needed to confirm.

We can take some clues from hibernation and cryogenics, but humans aren't yet built for that kind of deep sleep.