From the moon’s violent origins to how to build a planet, we take a deep dive into our solar system

The aurora borealis is one of Earth’s most incredible sights, and new discoveries finally explain why these mysterious lights appear

Experts and historians reveal a bygone Second World War military hospital with bizarre ties to an infamous Nazi occupant.

Experts investigate a highly-classified military cover-up with extraterrestrial objectives.

From tubas to loud speakers, see how the things we hear are built. Accordions- 00:00 – 04:58 Megaphone- 04:58 – 09:49 Banjo- 09:49

From power drills and computers to toilet paper and coffee, watch how all the different things we use at work