"This signifies a major development in astronomy and physics." Scientists may have "seen" dark matter for the first time, thanks to NASA's Fermi gamma-ray space telescope. If so, this would mark the ...

“Using newer mathematical tools, my colleague and I have demonstrated a new theory that may accurately describe the universe.

Moss has surprising staying power, new research finds. In 2005, scientists announced that moss could grow inside of spaceships. The little plants the scientists sent up on NASA Space Shuttle missions ...

From the shape of the signal alone, scientists can infer the masses and spins of the merging objects and reconstruct how they formed. These observations test Einstein's theory of general relativity ...