Video: Simulation of an asteroid impact that triggered a North Sea tsunami 43 million years ago. New research recreates the asteroid strike that carved the Silverpit crater and un ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ST. LOUIS (KTVI) – A comet spanning roughly ...

A long-running debate about the Silverpit Crater beneath the North Sea has finally been resolved. Scientists now confirm it formed when a roughly 160-meter asteroid struck the seabed about 43–46 ...

Could humanity nuke an incoming asteroid to deflect it and save the Earth, disaster-movie style? A unique new impact simulation suggests that a nuclear option could be a viable last resort to avert an ...

ST. LOUIS (KTVI) – A comet spanning roughly 2,000 feet landing in the heart of St. Louis could cause a crater nearly 4 miles wide and an earthquake felt as far as 116 miles away, according to an ...

In 2022, NASA hit Dimorphos with a spacecraft. But looking back through the data, astronomers believe they have found evidence of an impact event prior to the big test.

Planetary defense has moved from science fiction to a live engineering problem, and the stakes could not be higher. The central question is no longer whether an asteroid will eventually head our way, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. NASA estimates that ...