The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes what we know about the early universe.

On Earth, granite is the result of the cooling ... “We were a bit puzzled when we found it.” The mass of granite likely formed from unerupted lava cooling below the ancient volcano.

Astronomers have identified the most ancient blazar ever observed, a supermassive black hole from the early universe shooting an energy beam directly at Earth. This cosmic powerhouse has a mass equal ...

Around 66 million years ago, Earth underwent a catastrophic event that wiped out nearly 75% of all species, including the dinosaurs. This wasn't the first mass extinction in our planet's history ...