Birds that feed on nectar or fruit evolved better mechanisms for managing metabolism, blood pressure and high glucose.

Seven firms reported inconsistent results on the same sample, some over multiple tests. These gut microbe discrepancies could ...

Tiny, repeating detachments between sole and floor — thousands of times a second — create the distinctive squeak heard on the ...

Mosquitoes have been biting people for more than a million years and probably much longer. An analysis of 38 modern mosquitoes’ DNA suggests an ancestral mosquito species developed a preference for ...

Direct detection of lithium from a SpaceX rocket reentry offers new evidence that metal pollution from space debris could ...

Suitable milkweed habitat in Mexico may shift south, fracturing existing migration routes and possibly pushing some ...

Finding a caterpillar with rhythm was “mind-blowing,” suggesting it might be a more widespread part of animal communication ...

Fecal analyses and necropsies suggest a fire-footed rope squirrel was the source of a 2023 mpox outbreak among sooty ...

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

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

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