asteroid deflection

NASA’s first planetary defense mission test launches today
Using a tethered diversion to protect Earth from asteroid impact
The plan to deflect a potentially planet-killing asteroid well ahead of time
Incoming asteroids may be harder to break than scientists previously thought
Lasers key to UAH team’s asteroid defense system
How To Kill An Asteroid? Get Out A Paint Spray Gun, Says Texas A&M Space Expert
ESA is about to test Asteroid Deflection
Asteroid Deflection: What If a Huge Asteroid Was Going to Slam Into Earth?