The James Webb Space Telescope: Staring at the edge of space itself | TORSTEN BÖKER | TEDxLimassol
17:30
Why We are Alone in the Galaxy | Marc Defant | TEDxUSF
15:12
The Third Story of the Universe | Brian Swimme | TEDxBerkeley
12:42
Our Lone Star: Understanding the Vastness of Space | David Whelan | TEDxAustinCollege
15:39
Space exploration: what will the future look like? | David Alexander | TEDxHouston
10:25
Extraterrestrials - Why They're Almost Certainly Out There... | Chris Crowe | TEDxJohnLyonSchool
16:03
Is There a Fifth Dimension?: Arlie Petters at TEDxNCSSM
11:58
If aliens can hear us, maybe they can help us | Jonathan Jiang | TEDxKC
15:01