In an astonishing feat of gravitational sleuthing, astronomers have found a mysterious, dense blob of invisible matter ...

For a decade and a half, astronomers have been on the trail of a galactic mystery. In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — ...

Famously (or infamously, depending on who you talk to), the Marvel Cinematic Universe is going to get rebooted after Avengers ...

A jaw-droppingly fast star that is one of the oldest in the galaxy has been spotted racing across our galaxy by astronomers—who were looking for something else entirely. The scientists noticed the ...

Editor’s Note: CNN’s 5 Things newsletter is your one-stop shop for the latest headlines and fascinating stories to start and end your busy day. Sign up here. 1️⃣ Piano man: Danny Kean has been ...

In a galaxy 650 million light-years away, a black hole has defied the typical rules of cosmic behavior, unleashing an event ...

A Christmas song list plays softly from the speaker on the mantle. The tree and the fireplace bathe the den in a warm glow. Out of nowhere, one of the grandchildren who has been watching too much ...