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

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

The universe has two kinds of matter. There is invisible dark matter, known only because of its gravitational effects on a ...

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

"If we see the lampshade effect in action, it will tell us about what dark matter could be, which is exciting." ...

Decades ago, astronomers estimated that “ordinary” matter (basically everything that isn’t dark matter or dark energy) makes ...

A new landmark study has pinpointed the location of the universe's "missing" matter, and detected the most distant fast radio ...

A USC-led research team has created a series of supercomputer-simulated twins of our Milky Way galaxy—which could help ...