Observatories in Chile’s Atacama Desert, including the world’s largest optical telescope, could be blinded by light pollution ...

NASA wants to view the Big Bang with this behemoth, so it's saying goodbye to the James Webb Telescope. The new one redefines ...

Dozens of boxes holding mirrors are placed along a remote desert hill in northern Chile as workers make progress in the ...

January's new moon means less lunar glare, so make the most of the darker skies with our expertly researched guide to the best telescopes for seeing planets. January 29's new moon, when the moon ...

SPHEREx is slated to launch Feb. 27 on a SpaceX rocket. It is meant to map the entire night sky in infrared — something even the JWST can't exactly do.

Optical sparse aperture telescopes are innovative systems designed to enhance the resolution and performance of astronomical observations. These telescopes utilize segmented mirrors, which consist ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

The telescope is expected to be the largest optical-infrared facility in the world for decades. The mirrors are ready and awaiting installation. "This is a major challenge," said Tobias Muller ...

The Extremely Large Telescope, under construction in Chile, aims to explore exoplanets for potential life and examine the ...

Katherine Laliotis is a freelance science writer and Ph.D. candidate in astrophysics. She often covers stories at the intersection of science and society.