Scientists detected the gravitational waves after a pair of unusual black holes collided.
It’s usually the lifeline of the Greek economy, but the economic crisis and political instability are taking a toll on the country’s tourism industry.
Officials say potential visitors are even calling and asking whether there will be enough food for them. The BBC’s Mark Lowen visited the usually busy island of Zakynthos and found hotels that are nearly empty.
Robin Young and Jeremy Hobson are hitting the road. Our Tumblr brings you behind the scenes of our election coverage.