Mystery of the Hidden Universe (S02E05)

What secrets does the Universe hold beyond what we can see? In this episode, we follow scientists on a quest to explore the unseen cosmos. In New Mexico, radio astronomers investigate the chilly and seemingly barren expanses of space, revealing enormous clouds of hidden matter known as intergalactic plasma. However, astronomers have come to understand that our universe has a 'dark side'—a distinct form of matter and an enigmatic 'energy' that together account for the majority of the cosmos. We accompany teams from the UK, Italy, and the United States in their search for this elusive dark matter and dark energy, getting a glimpse behind the scenes at...