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 ...

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light telescope — is currently under development on the Cerro Armazones mountain ...

WASHINGTON: NASA is preparing to launch its new space telescope, the Spectro-Photometer for the History of the Universe, ...

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.

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 ...

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

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

Observations from NASA's Chandra X-ray telescope and the VLT have revealed jets blasting from supermassive black holes cause ...