Recent James Webb Space Telescope data confirms a decade-old theory that the universe's earliest supermassive black holes formed without stars.

As the Vera C. Rubin Observatory surveys the night sky, astrophysicists expect to unlock the secrets of dark matter, dark energy and cosmic phenomena that go “bang!” The telescope mount assembly inside the dome of the Vera C. Rubin Observatory in Cerro ...

Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without breaking them. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Big telescopes ...

Welcome to the Tuesday Telescope. There is a little too much darkness in this world and not enough light—a little too much pseudoscience and not enough science. We'll let other publications offer you a daily horoscope. At Ars Technica, we'll take a ...

The James Webb and Very Large telescopes spotted a free-floating planet accreting material at a record rate, displaying behavior similar to how stars form. Scientists aren't clear as to why. When you purchase through links on our site, we may earn an ...