Scientists think they found evidence of weird ancient stars called "dark stars" that are powered by dark matter instead of ...

Fermi balls might be more important than scientists previous considered. Now, this phenomenon from the early stages of the ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have instead ...

Priyamvada Natarajan has spent decades exploring some of the universe’s most persistent mysteries, particularly the unseen ...

The universe seems to be spinning, and that could explain what dark energy is and why it's weakening while revealing our ...

New observations support the idea that hot, diffuse threads of gas called cosmic filaments connect clusters of galaxies ...

Everything in space – from the Earth and Sun to black holes – accounts for just 15% of all matter in the universe . The rest ...

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

Despite decades of searching, scientists still haven’t found the elusive substance that holds galaxies together: dark matter.

A new census reveals that 35% of supermassive black holes are hidden behind dust, disrupting major galactic models.

Compact ruddy galaxies seen by the James Webb telescope confound astronomers. Having very little spin at birth may explain the galaxies’ small sizes.