The world's largest telescope is almost as big as your house—and it’s unlocking the universe’s biggest mysteries.

The Extremely Large Telescope (ELT), currently under construction in northern Chile, will give us a better view of the Milky ...

A green energy plant expected to be built in Chile could increase night-time sky brightness at one of the world's most ...

A combination of the world's most powerful telescopes detected the planets. Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from ...

The effects of a proposed green-energy facility in Chile could be devastating for some of the most powerful instruments ...

Astronomers discovered oxygen in the most distant known galaxy. This changes what we thought about how fast galaxies formed.

TL;DR: The James Webb Space Telescope observed Sagittarius A*, the supermassive black hole at the Milky Way's center, revealing flares from its accretion disk. The world's most powerful space ...

The observatory’s full name is the Cherenkov Telescope Array Observatory (CTAO), and it will be the “world’s most powerful ground-based observatory for very high-energy gamma-ray astronomy ...

At the start of the year, the European Commission established the Cherenkov Telescope Array Observatory ... its mission to become the world's largest and most powerful observatory for gamma ...

The image is an indication of the scientific revelations that will be possible with the world's most powerful radio ...

JOHN BARTLETT, BYLINE: When night falls over the Paranal Observatory, which operates one of the world's most powerful telescopes, the skies above are dusted with brilliant constellations and nebulae.