A collection of TED Talks (and more) on the topic of Asteroid.
Sean P. S. Gulick
What really killed the dinosaurs? (It wasn’t just the asteroid)
Mike Brown
The search for our solar system's ninth planet
Karen J. Meech
The story of 'Oumuamua, the first visitor from another star system
Carrie Nugent
Adventures of an asteroid hunter
Kenneth Lacovara
Hunting for dinosaurs showed me our place in the universe
Fred Jansen
How to land on a comet
Ron Shaneyfelt
Is space trying to kill us?
Phil Plait
How to defend Earth from asteroids
Stephen Petranek
10 ways the world could end