A Swiss lab has developed a way of establishing how someone died without damaging the evidence.

Scientists have identified a gene which could be responsible for depression, bipolar disorders and schizophrenia.

Nasa is proposing to build a robotic rocket-plane to explore Mars from the air, and has advertised for help building it.

People should eat less meat to reduce climate change and save thousands of lives a year, Government-funded report says.

X-ray data from Chandra observatory gives clues about the nebula.

Andy Burnham, the Health Secretary, warns of immediate danger climate change poses to the health of millions.

This year is on course to be the fifth hottest since records began, experts have warned as they insisted that the science behind climate change was sound.