Star trails are the visible imprint of Earth's rotation. As our planet spins around its axis, the stars appear to sweep ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The moon, the Milky Way, Saturn, Venus, Jupiter Mars, Neptune, Uranus and comet C/2024 G3 seen ...

Astronomers are sounding alarm bells as the world's most precious sky-observing location faces a risk of being blinded by light pollution due to a planned renewable energy project. The U.S. energy ...

The night skies above the Chilean desert are the best in the world to see deep into space, but light pollution from a planned industrial project could change that, as John Bartlett reports. JOHN ...

As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens. The driest place on Earth is the best place to observe the universe, with ...

The dark skies above ESO’s Paranal Observatory, home to ESO’s Very Large Telescope (VLT), yield breathtaking views so clear and so full of stars that you could almost touch them. Standing atop a ...

For Halloween, the European Southern Observatory (ESO) reveals a spooktacular image of a dark nebula that creates the illusion of a wolf-like silhouette against a colourful cosmic backdrop. Fittingly ...

Last week, four lasers were projected into the skies above the European Southern Observatory’s (ESO’s) Paranal site in Chile.

The project in the Atacama Desert could increase light pollution by up to 50%, making it much harder to observe the cosmos near the Paranal Observatory. Reading time: Reading time 3 minutes A new ...

At the Paranal Observatory in Chile, the UT4 telescope doesn’t just observe the stars—it actively creates artificial stars to combat atmospheric interference. By shooting powerful lasers into the sky, ...

The second of three images of ESO’s GigaGalaxy Zoom project has just been released online. It is a new and wonderful 340-million-pixel vista of the central parts of our home galaxy as seen from ESO’s ...

It's a rare treat to see so many astronomical delights in the sky at one time. The dark skies of Chile's Atacama Desert are perfect for skywatching, especially when a parade of six planets and a comet ...