How the Universe Works, Curse of the Cosmic Rays

New astronomical research is beginning to reveal an invisible scaffold of dark matter known as the Cosmic Web, an intergalactic network that transformed the Universe from a chaotic Big Bang into the structured beauty of the present day cosmos.

Cosmic rays that damage human DNA are a serious risk in manned space exploration. Can physicists find the source of the rays and help reduce the danger?

Dark Matter is thought to be the cosmic glue that holds the universe together, yet the search for it continues to eluded scientists today; now, physicists have developed dozens of theories to determine if this mysterious substance could actually exist.

S10 E4 • 44m • HDU

Earth's past is marked by one cosmic disaster after another, forging the path of human evolution. Experts explore how close the Earth has come to destruction.

Determining the age of the universe continues to be an elusive endeavour for scientists as their results are conflicting, and without a definitive answer, everything that's known about the cosmos, from the big bang to gravity, could be completely wrong.

S10 E6 • 44m • HDU

Experts explore the most astonishing discoveries of the Voyager spacecraft. They examine how the operation has transformed into the ultimate mission.