potentially hazardous asteroids
We have a new way to hunt for potentially hazardous asteroids 
planetary defense
China is going to try to move an asteroid
new Asteroid
New asteroid spotted just before impact with Earth
An asteroid could wipe out an entire city – here’s NASA’s plan to prevent catastrophe 
near-earth asteroid
This near-Earth asteroid may be a chunk knocked off of the moon
asteroid impacts
“Pulverize It”: The plan to slice and dice space rocks
asteroid heading to earth
Nuking an asteroid heading to Earth really could protect us
fastest-orbiting asteroid
Astronomers discover solar system’s fastest-orbiting asteroid
bennu asteroid
NASA updates the odds on Bennu asteroid hitting Earth
psyche asteroid
Psyche asteroid might not be a planetary core after all