What is dark matter? – with Peter Fisher
59:40
Mapping the universe: dark energy, black holes, and gravity – with Chris Clarkson
1:01:19
What's eating the universe? - with Paul Davies
17:03
The Theory of Everything part 21. Gravity & Creation by: LS Larkey
31:37
Space: What is dark matter? - BBC World Service, CrowdScience podcast
53:46
Particles Unknown: Hunting Neutrinos | Full Documentary | NOVA | PBS
1:10:31
Is Dark Energy Decaying?
54:22
Space oddities - with Harry Cliff
55:39