The latest national and international news, exploring the day's events from a global perspective.
Over one late night concert, American cellist Yo-Yo Ma performs all six Cello Suites - over two hours of music - in a feat as challenging intellectually as it is physically. Show more
Documentary following an international team of scientists as they deploy underwater robots and state-of-the-art submersible vessels off the coast of Japan to find the giant squid. Show more
David Attenborough narrates the fascinating story of some real-life animal romantics. There are show-offs and singers, stories of undercover affairs and heart-warming devotion. Show more
Archaeology: A Secret History
Episode 1: In the Beginning
58 minutes on BBC Four HD
Available for 5 months
Richard Miles goes back 2,000 years to explore how archaeology began by trying to prove a biblical truth, a quest that soon got archaeologists into dangerous waters. 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
Horizon meets Dr Mary Schweitzer, who may have found traces of DNA within the fossilised bones of a Tyrannosaurus rex - a discovery that could revolutionise our understanding of these beasts. Show more
Documentary following an international team of scientists as they deploy underwater robots and state-of-the-art submersible vessels off the coast of Japan to find the giant squid. Show more