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 ...

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 ...

A projection through a 130 million light years thick slice through a simulation of a cubic volume of 9,132 million light years on a side. The luminosity of the background image gives the cold dark ...

The universe is still expanding at an accelerating rate, but it may have slowed down recently compared to a few billion years ago, early results from the most precise measurement of its evolution yet ...

Astronomers have uncovered an ultra-rare star that could reshape our understanding of the early universe. Named PicII‑503, this 14-billion-year-old star has survived almost since the Big Bang and ...

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 ...

A systematic search for the first bright galaxies to form in the early universe has revealed a dramatic jump in the number of such galaxies around 13 billion years ago. These observations of the ...

There may be something wrong with our models of the cosmos. The matter in the universe is getting clumpier and clumpier over time but it appears to be happening more slowly than expected. This ...

"If this is true, this just turns cosmology upside down." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It has been over two decades since the ...