Horizon plunges down the biggest rabbit-hole in history in search of the smallest thing in the Universe.　　It is a journey where things don't just become smaller but also a whole lot weirder. Scientists hope to catch a glimpse of miniature black holes, multiple dimensions and even parallel Universes. As they start to explore this wonderland, where nothing is quite what it seems, ...

Horizon goes behind the scenes at NASA as they countdown to the landing of a 2.5 billion-dollar rover on the surface of Mars. In six days time, the nuclear-powered vehicle - the size of a car - will be winched down onto the surface of the Red Planet from a rocket-powered crane. That's if things go according to plan: Mars has become known as the Bermuda Triangle of space because...

This is the true-crime story of the multimillion-dollar yuppie drug ring run by a then, twenty-six year old Larry Lavin and two of his classmates. In the high-flying 1980's, Larry Lavin was a clean-cut, Ivy-League-educated dentist living the good life in suburban Philadelphia. But, what his upper crust neighbours didn't know was that Lavin led a double life - one that would fin...