Russia asks: How do you stop space objects hitting Earth?

Russian police work near an ice hole at lake Chebarkul, said by the Interior Ministry department for Chelyabinsk to be the point of impact of a meteoriteMOSCOW/VIENNA (Reuters) – What can man do to prevent Earth being hit by meteorites and asteroids? Russia has found, to its cost, that it has no answers. But U.S. and European experts may be able to help with a few ideas that at first glance seem straight out of science fiction, including smashing spacecraft into asteroids, using the sun’s rays to vaporize them, or blasting them with nuclear bombs. …

Raytheon says aces missile-detection tests in U.S

Handout photo of Raytheon's JLENS aerostat is pictured at the White Sands Missile RangeWASHINGTON (Reuters) – A Raytheon Co system built into big blimp-like balloons has demonstrated capabilities that could make it easier to detect and track certain enemy ballistic missiles, the company and the U.S. Army’s manager of the program said. System tests in December at White Sands Missile Range, New Mexico, successfully tracked four targets mimicking tactical ballistic missiles in “high-threat” regions, Raytheon is set to announce on Tuesday. The hardware is known as Joint Land Attack Cruise Missile Defense Elevated Netted Sensor System, or JLENS. …