One year ago, Russia and the United States conducted the largest prisoner swap since the Cold War. Here's the Americans who were freed.

And even if carbon-dioxide emissions matter (the opponents are not unanimous on the matter) those from Europe are so small that its unilateral actions count for nought. Now parties on the centre-right ...

Moving, tragic, surprising, inspiring, terrifying, shocking... This is a selection of images from our planet, over the past ...

Russia’s Roscosmos State Space Corporation and the US National Aeronautics and Space Administration (NASA) are unwilling to abandon the level of cooperation that was achieved in the 50 years since the ...