Puffed up electrons, indecisive photons and foamy vacuums. Physics turns a little weird when small cannot get any smaller.

Scientists say they've restored the vision of blind mice by introducing light-sensitive cells into the rodents' retinas.

In two recent studies, scientists discovered the common pigeon is astonishingly sophisticated.

Young children like lucky kids more than the unlucky, according to a new study that hints at one possible reason why social inequality persists.

A new study likens a rhino's horn to a sharpened pencil, with a hard core and a softer exterior that curves as it grows and wears over time.

Scientists recently reported that non-native lionfish populations will continue to grow and cannot be eliminated practically using conventional methods.