This time last year, the world was gripped by reports that an incoming, nearly 200-feet-wide asteroid had a tiny, tiny chance ...
An asteroid hit Earth's atmosphere last Friday. Astronomers were able to precisely determine where it was going to strike. And despite seeing it just two hours before impact, its small size meant it ...
Richard Binzel has been watching the skies for hazardous asteroids for more than 50 years. In 1995, he proposed the Near-Earth Object Hazard Index, later renamed the Torino scale, which rates ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results