Researchers have published a new "collision chain" model for the Great Impact hypothesis of our rocky inner planets' formation, and it challenges our narrative of how Venus, Earth and the Moon spent ...

After a spate of crashes involving drivers using Tesla's Autopilot system, the press is awash in speculation about its effectiveness. Now the IIHS, which rates accident avoidance systems across many ...

A popular theme in the movies is that of an incoming asteroid that could extinguish life on the planet, and our heroes are launched into space to blow it up. But incoming asteroids may be harder to ...