Brains are probably not what powers the invasive bee’s takeover from European honeybees

Comparing the DNA in modern birds to that in ancient generations shows molecular evolution happens at varying rates, and that each species has its own rate of evolution.

Medical imaging can add up to exposure similar to what nuclear power plant workers experience.

Study links boys' fetal phthalate exposure to tendency toward gender-neutral play later on.

A portable method to quickly lower body temperature passes safety tests

Plume of lunar material contained roughly 25 gallons of vapor and ice.

Data storage system employs a resonance effect to do work.

Study of hunter-gatherer community in Tanzania shows that, across human groups, mating criteria vary. (p. 14)

Efforts to extract the Mars rover from a sandpit will start November 16, but success is uncertain.

Streamside wildflower holds back on leaf competition when roots meet close kin (p. 13)

The holes in the jaw bone of a world-famous T. rex suggest the dino died from a parasite infection.

Introducing the solar system's largest known ring around a planet.