Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to ...

The Earth might be near the center of a vast low-density void in space, which could explain one of the cosmos's greatest ...

There may be many more satellite galaxies in the Milky Way than have been observed, according to new Durham University ...

The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe. Durham ...

Some faint stars may not burn with fusion but with dark matter itself. These "dark dwarfs" could be the long-awaited clue to ...

This hidden matter has been mapped using FRBs, intense millisecond-long pulses from galaxies located far away. With the help of 70 FRBs, which included one from 9 billion light years away, the ...

Scientists use fast radio bursts to locate half of the universe's ordinary matter dispersed in intergalactic space, solving a cosmic mystery.

Scientists have proposed Earth is in the middle of a huge void in space, potentially resolving the cosmic mystery known as ...

The Universe’s most abundant ice isn’t formless—it’s secretly laced with crystals. And that might change how we think about ...

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

Voids are not exactly empty (actually, the missing matter of the universe is spread there), and lonely galaxies and small ...

Images of the cosmos, such as the James Webb Space Telescope’s deep space snapshot, make space look chock-full of stuff. In the grand scheme of things, it is, but all those stars, galaxies, planets, ...