This rare quasar with spiral arms could help astronomers understand how supermassive black holes feed and grow.

The Space Force's top-secret aircraft has been in a highly elliptical high Earth orbit since December 2023. When you purchase through links on our site, we may earn an affiliate commission.

Simulations predicted a coupling efficiency of ~80%, and we achieved 67% experimentally. Additionally, we introduced an elliptic GIF to further enhance coupling efficiency for highly elliptical beams, ...

Copyright 2025 The Associated Press. All Rights Reserved. This image provided by European Space Agency shows close-up photos of Mercury’s north pole taken by the ...

A spacecraft has beamed back some of the best close-up photos yet of Mercury's north pole. The European and Japanese robotic explorer swooped as close as 183 miles (295 kilometers) above Mercury's ...

The ‘Maria’ actress is set to receive the Desert Palm Achievement Award at the Palm Springs International Film Awards Luke Chinman is an editorial intern at PEOPLE. He joined PEOPLE in 2024 ...