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

Over the past few years or so the most talked about kind of telescope was the one that is meant to operate in space. An ...

Very Large Telescope (VLT). VLT, which cost some $350 million to build in the 1990s ($840 million in today's dollars), is one of the world's most sensitive sky-watching instruments, capable of ...

The ESO's Very Large Telescope provided crucial data needed to calculate the asteroid's orbit. The potential risk of Asteroid 2024 YR4 impacting Earth in 2032 dropped to nearly zero following new ...

Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

A light-year is the distance light travels in a year, 5.9 trillion miles. The researchers used data from the Hawaii ...

"We are currently using observations from the Hubble Space Telescope and the Very Large Telescope to study the dayside cloud structure in more detail to learn as much as possible." ...

Using the European Southern Observatory’s Very Large Telescope (yes, that’s really what it’s called), they identified complex weather patterns and a surprising chemical composition.

An in-depth technical analysis by the European Southern Observatory (ESO) has evaluated the impact of the INNA megaproject on the facilities at the Paranal Observatory, Chile — and the results are ...

By combining all four telescope units of the European Southern Observatory's Very Large Telescope (ESO's VLT), they found powerful winds carrying chemical elements like iron and titanium ...

How did the universe begin? A compact NASA space telescope that uses less power than a refrigerator is poised to chip away at that very large question. Called SPHEREx, and set for launch on a ...