asteroid deflection strategies

China announces plan to build early-warning system for dangerous asteroids

By Andrew Jones Published 9 July 26

The country's plans include spacecraft designed to detect asteroids coming from the direction of the sun, which has long been a space-rock blind spot.

Chinese scientists find the best way to nuke an asteroid on its way to impact Earth

By Elizabeth Howell Published 7 July 26

While no imminent asteroid threats have been found for Earth, Chinese scientists discussed two ways to deflect a space rock in case of trouble.

X-rays from a nuclear explosion could redirect an asteroid

By Charles Q. Choi Published 23 September 24

Scientists have found nuclear weapons could actually help deflect an incoming cosmic impact — not by blowing an asteroid up, but by showering it with X-ray radiation.

Stopping an Earth-Bound Asteroid in its Tracks (Op-Ed)

By Cathy Plesko, Ph.D. Published 18 April 19

Fortunately, we're getting to the point where we can see potentially hazardous objects coming — and maybe even do something about it.

Finding 'Spooky': Why Hunting Asteroids Is Hard

By Mark Thompson Published 11 November 15

The Halloween 'dead comet' spooked the world with its abrupt appearance, why didn't we know about it earlier?