The latest national and international news, exploring the day's events from a global perspective.

To mark a transit of Mercury, an attempt to explain its mysteries. Surface temperatures exceed 450 degrees, yet it has patches of ice. Show more

Mel Giedroyc and Scott Mills are live from Stockholm for the second semi-final. Eighteen more acts battle it out, but who will win the ten places in the grand final? Show more

Hosts and competitors tell the behind-the-scenes story of 60 years of Eurovision, the greatest and maddest song contest on earth.

Neil Oliver investigates Britain's deadliest rail disaster at Quintinshill near Gretna Green. Two men were jailed, but was there a cover-up to protect others from being blamed? Show more

Dr Alice Roberts follows a trail of clues from ancient human bones to the frontiers of genetic research to discover if we are still evolving, and where we might be heading. Show more

Documentary telling the story of how Darwin came to write On the Origin of Species, which took 20 years of personal struggle as turbulent as that of the natural world he observed. Show more

Timeshift looks back to a time when iconic British marques like Jaguar, Austin-Healey, MG and Triumph sparked a manufacturing frenzy that helped to democratise speed and glamour. Show more