Phil Muncaster and Rosalie Marshall round up the top stories this week, including the furore surrounding Google's alleged CO2 emissions, the appointment of a new information commissioner, and more job cuts in the tech sector.
Dubbed Barnard's star B, newly discovered planet is believed to be rocky
Also, what's a USB stick?
Gravitational waves become extremely weak by the time they reach the Earth and require highly sensitive equipment for detection
The reactor topped out at 100 million° C