A livestock virus sweeping through British sheep flocks and cattle herds has been passed to wild deer, say scientists.

Female Hottentot golden moles use penis size to gauge the suitability of male partners, scientists discover.

Marine biologists at St Andrews University say dolphins mimic the distinct whistles of their closest companions as a way of tracking them.

Astronomers spot the smallest-yet planet outside our Solar System, thanks to measurements of the sound waves within the planet's host star.

Star Trek fans have something to rejoice in: "Vulcan" is leading a vote to name two of Pluto's recently discovered moons.