Searing across the night sky, a meteor puts on a spectacular show above Arizona's Kitt Peak National Observatory.

Magnetic fields are a fundamental part of the universe. They govern how small particles – the building blocks of planets, ...

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

Telescopes at the remote site are set to surpass Hawaii’s Mauna Kea in light-gathering power by the mid-2030s, scientists say ...

Astronomers have reported the discovery of an exceptionally powerful and long-lasting gamma-ray explosion beyond our galaxy. First observed in July, this unique burst of high-energy radiation is ...

Explore 15 photos and facts about the Hubble Telescope, revealing its discoveries, missions, and breathtaking views of space.

A group of ESO and CTAO representatives, as well as Chilean authorities and regional representatives pose for a group photo near a monument at the CTAO-South site, where a symbolic time capsule was ...

China is developing powerful optical telescopes on the Tibetan plateau, aiming to establish Saishiteng Mountain as the ...

Paranal, Chile, 17 December 2025 — Representatives from the Cherenkov Telescope Array Observatory (CTAO), the European Southern Observatory (ESO), and governmental authorities gathered today to ...

Long before space travel, we looked up and wondered. Telescopes became our first spacecraft — tools that let us explore the universe without leaving the ground. Today, observatories span the globe, ...