It is widely accepted that the universe is expanding at an accelerating rate, but now researchers say our measurements of the ...

From our small blue planet to the farthest reaches of the observable cosmos, this breathtaking journey explores the true scale of the universe. Traveling past the Moon, the Sun, and distant planets ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its present age, astronomers have found. The discovery raises questions about how ...

He led a team of scientists who helped confirm that a Big Bang was the source of the universe. The discovery earned him a Nobel Prize. By Katrina Miller George F. Smoot, an American physicist and ...

Ghost particles' can zoom through you without a trace. Scientists are getting to the bottom of this cosmic mystery ...

Scientists have been amazed to discover an ancient and 'nearly naked' black hole at the very furthest reaches of the universe. This ancient void dates back to 600 to 700 million years after the Big ...