A woman and her partner had been trying to conceive for some time. It turned out that a rare allergy may have been hindering their attempts.

Researchers have found evidence of a titanic tussle between a terror bird and a large caiman in Colombia's ancient La Venta ...

The tiny 'backward' brain of an ancient sea creature hints that spider ancestors might have gotten their start in the ocean.

An experimental birth control pill for males works by blocking sperm production, and it just passed its first safety test in humans.

Two minor meteor showers — the Southern Delta Aquariids and Alpha Capricornids — peak overnight on July 29-30, making it a ...

A 3D-printed hybrid drone can quickly transition between air and water thanks to variable pitch propellers. Watch a video of ...

Gray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young ...