Scientists detected the gravitational waves after a pair of unusual black holes collided.
You may not have heard of it and it may be cold, dark and desolate for much of the year, but the islands of Svalbard in the Norwegian Arctic are flourishing.
As more and more countries eye the opportunities being revealed by melting polar ice, businesses, tourists, and international politicians are all beating a path to the northernmost inhabited place on earth.
The BBC’s Paul Henley followed them, as Svalbard emerges from the long polar night.
Robin Young and Jeremy Hobson are hitting the road. Our Tumblr brings you behind the scenes of our election coverage.