Straight to the dome.

Atop the mountain Cerro Armazones in Chile, construction is underway on the Extremely Large Telescope (ELT), which will usher ...

In the middle of Chile's Atacama desert, there's lots of activity as construction on the Extremely Large Telescope (ELT) is still underway, with cranes helping to move pieces in place. The ELT is the ...

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 ...

PROOF of alien life is one step closer to being found thanks to a massive earthquake-proof telescope that’s near completion ...

India has unveiled plans to build two new optical-infrared telescopes and a dedicated solar telescope in the Himalayan desert ...

India embarks on a journey to expand its celestial horizons through investments in advanced telescopes and observatories. This strategic shift highlights India's growing influence in the realm of ...

Officials canceled an energy project that put one of the world’s darkest astronomy sites at risk of increased light pollution and vibration.

More than 100 years ago, astronomer George Ellery Hale brought our two Pasadena institutions together to build what was then the largest optical telescope in the world. The Mt. Wilson Observatory ...

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 past quarter of a century in astronomy has been dominated by large telescopes — but they are about to be usurped by some even larger ones. When you purchase through links on our site, we may earn ...

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 ...