Seismic data reveals megaripples in Louisiana, formed by the Chicxulub asteroid’s tsunami 66 million years ago.

Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation ...

For all its simplicity, the arcade classic Asteroids was engaging in the extreme, with the ping of the laser, the rumble of the rocket, the crash of crumbling space rocks, and that crazy warble ...