There have been 26 nuclear-scale asteroid explosions in the Earth’s atmosphere between 2001 and 2013, according to a new report. The most powerful of the impacts was dozens of times the magnitude of the atom bomb that devastated Hiroshima, Japan in 1945. Most of the asteroid explosions occurred much too high in the atmosphere to do any damage on the ground, according to findings by the Nuclear Test... 

Doomsday paranoia triggers private asteroid hunt The Mayan doomsday may have passed without incident, but it’s too early to relax. Astronomers have found a large asteroid heading this way. However one private firm thinks it knows how to save us. ­Scientists from the University of Hawaii said that the 140 meter asteroid’s will just miss Earth as the orbital trajectory of the 2011 AG5 space... 

Some 500,000 asteroids are circulating near-Earth space and some of them may pose a real danger to our planet. But a US company says it plans to build a telescope that will be able to watch them. ­Some asteroids may collide with Earth between 2020 and 2030, and only about 10,000 out of half a million have been catalogued to date – so time is of the essence. But the B612 Foundation is certain its...