A nuclear explosion might eventually be Earth’s only way to protect itself from a dangerous asteroid. But preparing for that ...

If a large asteroid crashes into the ocean, could it trigger a massive tsunami capable of wiping out entire coastal cities? Scientists have studied past asteroid impacts and their potential to ...

Previous studies have found that the nearly 10km-wide asteroid that slammed into the water near what is now Mexico’s Yucatan peninsula triggered a massive tsunami unlike anything ever documented.

Other studies point to the existence of an asteroid accomplice, which would have smacked into the ocean and triggered a tsunami shortly before or after the Chicxulub impactor. Less controversial ...

Meet the researchers testing the “Armageddon” approach to asteroid defense One day, in the near or far future, an asteroid about the length of a football stadium will find itself on a collision course ...