That means if aliens were to exist, and they were located some 66 million light-years from Earth, they’d theoretically still ...

Big telescopes feature some of the finest and most precise mirrors in the world. So when one gets dirty, what happens? The European Southern Observatory (ESO) operates some of the most powerful ...

The Hubble Space Telescope has glimpsed the most distant single star it's ever observed, glimmering 28 billion light-years away. And the star could be between 50 to 500 times more massive than our sun ...

Astronomers used AI to search 35 years of Hubble data and discovered over 1,300 rare cosmic anomalies hidden in plain sight.

NASA’s NEO Surveyor telescope will launch in 2027 to find dangerous asteroids that current telescopes miss, strengthening planetary defense.

Astronomer Robert Kirshner investigates some of the universe’s biggest questions: What happens when a star explodes? Is the universe still expanding? He recently added a new mystery to the list: Is ...

The James Webb Space Telescope (JWST) has spotted the most distant galaxy observed to date — breaking its own record yet again. In other words, the galaxy emitted light just 280 million years after ...

Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without breaking them. When you purchase through links on our site, we may earn an ...