A new theory claims dark matter and dark energy don’t exist — they’re just side effects of the universe’s changing forces. By ...

Scientists have discovered that dark matter, the universe's most mysterious "stuff," obeys gravity on vast cosmological scales. This could help to dismiss the possibility of a fifth fundamental force ...

In the blink of an eye after the Big Bang, the universe could have birthed strange new stars and black holes.

This quiz dives into the mysterious world of dark matter — what we know, what we don't, and how scientists are chasing shadows across the cosmos. From galaxy rotation curves that defy Newton's laws to ...

A recent study has made a groundbreaking revelation that dark matter, the elusive and invisible component of the universe, ...

A mysterious gamma-ray glow from the Milky Way's core has scientists divided. While pulsars were the leading theory, new ...

It's almost become expected that many space telescopes and probes can have "extended missions." Both Voyagers are still ...

Physicists chilled a sugar crystals then used them to search for dark matter. This new project is called SWEET.

A class of University of Texas astronomy students has discovered that nearby dwarf galaxy Segue-1 seems to host a ...

The Hubble Space Telescope has been used to study NGC 1052-DF2 — a galaxy that is lacking dark matter. Credit: NASA's Goddard ...