A boom in satellites is brightening the night sky and hindering astronomers’ ability to study distant galaxies, sharpening ...

In fact, these jets often expand into wide plumes or “lobes” that fan out far above and below their host galaxies. The jets ...

Astronomers have made the surprising discovery of oxygen and elements like heavy metals in the most distant known galaxy. The galaxy is 13.4 billion light-years away, meaning it formed in the early ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

An exponential increase in the number of satellites placed in low-Earth orbit has brought advances in telecommunications ...

The James Webb telescope may have detected the universe's earliest and most distant known black hole at the heart of galaxy ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

To judge from the headlines, astronomy is nothing more than an ongoing quest to set a Guinness World Record. It’s always seems to be about the tiniest galaxy, or the most Earthlike planet, or the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...