Discovery Science +1 Sunday

Investigating a UFO crash that was believed to be a Soviet satellite. Plus, a probe sent to Mars discovers evidence of frozen water on the red planet

Images of Mercury reveal spider-like formations on its surface which may be an odd geological formation or something more ominous

Dramatised-documentary series in which Aidan Gillen plays a detective examining dangerous phenomena in the universe

When a massive star dies it can direct a blast of radiation that would obliterate life of Earth. This episode asks what the chances are of this event occurring

Examining how some farms are run with the help of robots, how a machine picks up 30 tons of logs in a single grab, and how the world's most valuable pianos are transported

How towering scaffolds are built from giant poles of bamboo, and how people mine for the mineral that makes fireworks burn red

A look at how people handcraft Espadrilles shoes, how prefabricated houses are made, and how priceless documents are kept safe for hundreds of years

An insight into how the world's toughest and most expensive nut is harvested, how lake water is turned into tap water, and how thousands of pop fans are contained at gigs