Astronomers have spotted the brightest known object in the universe, and it’s a quasar powered by the fastest-growing black hole on record, according to a new study. Initially classified as a star, ...

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

The vast majority of matter is dark – invisible until it is detected only through its gravitational effects. The newly discovered object could be a clump of dark matter, or it could also be a compact, ...

“Extraordinary claims require extraordinary evidence,” Carl Sagan once warned a maxim now resonating through telescopes worldwide as astronomers grapple with a mind-bending new discovery. The James ...

Using a worldwide network of radio telescopes including the Green Bank Telescope in West Virginia, astronomers have discovered a mysterious object in the distant universe. A million times the mass of ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

According to a paper published this past week in the journal Nature Astronomy, scientists found what could be the brightest known object in the universe: a quasar produced by a massive and voracious ...

Dark matter is believed to make up more than 80 percent of all matter in the universe, but what it actually is remains a mystery. Now, astronomers have found something that gives us a major clue. This ...

In the end, the Universe becomes a place where gravity and quantum physics slowly turn all mass into faint streams of particles.