If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black hole.

Physicists who work with a concept called string theory envision our universe as an eerie place with at least nine spatial dimensions, six of them hidden from us, perhaps curled up in some way so they ...

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

Everything we know about the evolution of the early universe is currently being challenged. Multiple galaxies discovered by the James Webb Space Telescope do not match up with the standard model of ...

Astronomers have unveiled the largest-ever galaxy cluster catalog, a monumental achievement that could unlock new insights ...

Galaxies from the early Universe are more like our own Milky Way than previously thought, flipping the entire narrative of how scientists think about structure formation in the Universe, according to ...

When I thought about evolution, I always pictured big changes that happened over long time periods – like how birds evolved from dinosaurs. But then I talked with my friend Jeremiah Busch. He’s a ...

NASA's James Webb Space Telescope has given astronomers almost unmatched access to the secrets of our universe. Most notably, it has helped us better understand the early universe, how it has changed ...

Grab some popcorn, turn on some Pink Floyd, and prepare to have your mind blown. Astronomers have created the most advanced simulation to date of the evolution of the universe over billions of years.

Are we alone in the universe? It comes down to whether intelligence is a probable outcome of natural selection, or an improbable fluke. By definition, probable events occur frequently, improbable ...