Astronomers may have found the first planet in another galaxy

By Leah Crane

In a galaxy far, far away, a huge planet may be orbiting a binary star system. If this planet is real, it would be the most distant world we’ve ever spotted – the first planet to be found in another galaxy.

A team of researchers led by Rosanne Di Stefano at the Harvard-Smithsonian Center for Astrophysics in the Massachusetts spotted this potential planet, which is called M51-ULS-1b. It …