Scientists detected the gravitational waves after a pair of unusual black holes collided.
The two contenders for the White House, President Barack Obama and Governor Mitt Romney have been battling over foreign policy in the final debate before the elections in two weeks time.
The BBC’s Beijing correspondent, Martin Patience, went along to the Flowers Café at Beijing Foreign Studies University to watch last night’s debate with a group of students and to hear their thoughts on the candidates performance.
Robin Young and Jeremy Hobson are hitting the road. Our Tumblr brings you behind the scenes of our election coverage.