Tiny microbes uncovered by the deepest-ever marine drilling expedition are analysed by scientists to see how they can survive under the seabed.

Scientists shed light on the energetic emission of radiation that occurs in thunderstorms.

An international team of experts is engaged in a last ditch effort to save the northern white rhino from extinction.

Nasa's Curiosity rover has detected "belches" of methane gas on Mars - a gas that could hint at past or even present life on the planet.