If an asteroid is on a collision course with the moon, what should humanity do? Try to nudge the space rock out of the way before it strikes? Obliterate it with a nuclear explosion? Such a cosmic ...

In Professor K.T. Ramesh's First Year Seminar, Defending the Planet: How to Stop an Asteroid, four years have passed in only two months. By the end of the semester, it will be 2036 and a simulated ...

In the early morning of June 30, 1908, a massive explosion flattened entire forests in a remote region of Eastern Siberia along the Tunguska River. Curiously, the explosion left no crater, creating a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On Friday (Feb. 15), an asteroid half the length of a football field will buzz close by Earth. It ...