Astronomers have finally tracked down missing "ordinary" matter, which they discovered hiding as gas spread out in the vast ...

A study published in Nature Astronomy suggests that there is a 50-50 chance of the Milky Way and the Andromeda galaxy ...

"We will push the limits of what we can observe, and use every gravitational lens we detect with Roman to pin down the ...

Bright flashes of enigmatic radio waves have helped illuminate some of the missing matter in the universe, astronomers say in ...

In a new study published in The Astrophysical Journal, the international research team estimated that “Roman” may be able to ...

NASA’s latest discovery in the heart of our galaxy is raising more questions than answers. For the first time, a mysterious ...

While dark matter can’t be seen directly because it doesn’t give off or reflect light, its gravity can bend light from other ...

NASA’s Nancy Grace Roman Space Telescope, set to begin operations in 2027, will revolutionize our understanding of dark ...

Dark matter affects how stars move within galaxies, how galaxies build up over time, and how everything in the universe is held together—but no existing tool has directly detected it. While dark ...

How the pioneering scientist, and namesake of an enormous new telescope, forced astronomers to rethink the universe.

The universe will still be there to marvel at, despite brutal cuts set to hit NASA and the National Science Foundation's ...

The CLASS telescope array has taken a fresh look at the infant universe to hunt for polarized light in the Cosmic Microwave ...