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 ...

Telescopes orbiting Earth can peer billions of light-years into space to observe incredible phenomena across the cosmos.

What’s a large telescope? The notion of what’s big changes from observer to observer, but generally speaking, any scope of more than 10 inches’ aperture is still considered to be a big one. Although ...

Add Yahoo as a preferred source to see more of our stories on Google. In the middle of Chile's Atacama desert, there's lots of activity as construction on the Extremely Large Telescope (ELT) is still ...

Please note that the webcams are currently under maintenance and will be fully operational as soon as possible. ESO's Very Large Telescope (VLT) is a flagship facility for European ground-based ...

The frame of the dome that will house the world's largest telescope has been completed, marking another key milestone in the observatory's construction. The European Southern Observatory's (ESO) ...

Members of the research team Grace Chesmore (left) and Katie Harrington (right) open the front of the tester used to analyze the Simons Observatory Large Aperture Telescope receiver optics. CREDIT ...

The Swedish-ESO Submillimetre Telescope (SEST) keeps its eye on the cosmos decades after being decommissioned.

As the largest optical telescope in the world, the ELT will allow scientists to dive further into our universe than ever before. The ELT’s 39-metre ‘eye on the sky’ will capture some of the clearest ...

The largest ground-based optical telescopes in use today use mirrors that are 10 m (33 ft) across. But the prospects for future Extremely Large Telescopes (ELTs) are looking up. According to recent ...

We're all basking in the success of the James Webb Space Telescope. It's fulfilling its promise as our most powerful telescope, making all kinds of discoveries that we've been anticipating and hoping ...