Russian scientists say they have found a new type of bacterial life form in water from a buried Antarctic lake.

British scientists decode the DNA of the fungus attacking Europe's ash trees, offering hope that a way of stopping the epidemic can be found.

A comet called C/2011 L4 Pan-Starrs is lighting up the skies as it makes a fly past of Earth.

South African officials warn a major conservation meeting that the poaching of rhinos is likely to reach record levels this year.

Poland is frustrated after the EU's top court rejected its legal complaint about the EU mechanism for cutting carbon emissions.

Some of the world’s most endangered turtles have been given additional protection at the Cites conservation meeting in Bangkok.

Astronomers update one of their most important numbers - the distance to the Large Magellanic Cloud, a close-by galaxy to our own Milky Way.