Mankind has always been drawn to the wonders beyond our world. So this week Cosmos chose some far-out favourites from the vault.
Weird data suggests something big beyond the edge of the universe
Are parallel realities exerting a strange force on our own, causing galaxy clusters to stream across space towards the edge of the known universe? Click here
Astronomers solve supernova mystery
Scientists thought they had lost one of their most reliable indicators of interstellar distance. Phil Dooley explains how order was restored. Click here
NASA engages in warp-drive
Inspired by Star Trek, NASA scientists believe they can bend space-time and allow us to travel at many times the speed of light. Seriously. Cathal O'Connell reports on the most ambitious experiment ever. Click here