'How planets revolve' is possibly one of the first extraterrestrial phenomena that educators taught students at school. They are told that in this phenomenon, the planets move around the sun in fixed ...

Stellar-mass black holes, formed from single star deaths, have masses of 2 to 100 solar masses and their post-explosion trajectories are random, not necessarily leading them to galactic centers.

"This is the kind of discovery you make once in your research life." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Milky Way has a big ...

Folks, it’s official: the object that astronomers recently spotted blowing through the outer solar system came from interstellar space. Yesterday, the intriguing stranger was named A11pl3Z. Now, it’s ...