The extinct creature, nicknamed "Shieldcroc" due to a thick-skinned shield on its head, is an ancestor of today's crocodiles

Sandia National Laboratories engineers have invented a bullet that directs itself to a target like a tiny guided missile and can hit a target more than a mile away

A potent follow-up solar flare, which occurred on Jan. 17, 2012, just days after the Sun launched the biggest coronal mass ejection (CME) seen in nearly a decade

Even if the current weather situation may seem to speak against it, the probability of cold winters with much snow in Central Europe rises when the Arctic is covered by less sea ice in summer

A team of planet hunters has announced the discovery of an Earth-sized planet (three times the mass of Earth) orbiting a nearby star at a distance that places it squarely in the middle of the star's "habitable zone,"

American scientists believe a new procedure to repair severed nerves could result in patients recovering in days or weeks, rather than months or years.

Mars may have been arid for more than 600 million years, making it too hostile for any life to survive on the planet's surface, according to researchers who have been carrying out the painstaking task of analysing individual particles of Martian soil

They are tiny, ugly, disease-carrying little blood-suckers that most people have never seen or heard of, but a new discovery in a one-of-a-kind fossil shows that "bat flies" have been doing their noxious business with bats for at least 20 million years