How the Universe Works: 5x8

Watch Online

Server 1

Video Spider

Server 2


Server 3


The Dark Matter Enigma

Dark matter is the biggest mystery of the cosmos. Scientists know that it has been vital to our universe since its birth, and new discoveries reveal that it could create black holes, cause mass extinctions, and might even shape life on Earth itself.

How the Universe Works: Season 5 Episode 8
Jan. 31, 2017