The first person in the world to receive a pioneering genetic therapy has shown a remarkable reversal of her cancer.

Nasa's Maven satellite records how the upper atmosphere at Mars is being removed through its interactions with the Sun.

British astronaut Tim Peake says he hopes his mission to the space station will generate excitement similar to that seen during the Apollo Moon missions.

Does the smiling face of Layla Richards mark a new era in genetic medicine that could change all our lives?

The environmental pressure group Greenpeace says its charitable registration to operate in India has been revoked.

US President Barack Obama rejects an application to build the Keystone XL pipeline from Canada because it will not help the economy, he says.