High up in the Chilean Andes, the Extremely Large Telescope (ELT) is set to become the world's largest optical telescope and ...

A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...

Conventional telescopes are limited in detecting low-surface-brightness (LSB) structures, which are essential for studying ...

Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Fleets of satellites interfere with snapshots taken by Earth-bound observatories. But a new study suggests these orbiters ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

The final integration of the telescope's major observatory components took place on Nov. 25 inside NASA's Goddard Space ...

The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out ...

Proliferating satellites are beginning to harm the science work of the beloved Hubble Space Telescope and other observatories ...

A telescope in Chile has captured a stunning new image of the Butterfly Nebula, a grand and graceful cosmic wonder.

Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars.