Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between large space rocks. One of these clouds was even mistaken for a planet before ...

Astronomers just witnessed the aftermath of something rarely seen: a fresh dust cloud from a cosmic collision around a nearby star, and then another one appearing in nearly the same spot. Twenty years ...

"The CRASH Clock is a statistical measure of the timescale expected for a close approach that could give rise to a collision," study co-author Aaron Boley, an astronomer at The University of British ...