The universe is comprised of a large amount of invisible matter, dark matter. It fills the space between the galaxies and between the stars in the galaxies. Since the prediction of the existence of ...

In recent years, astronomers have become increasingly interested in a theoretical particle known as the axion, which was ...

Though Halloween will undoubtedly take the spotlight today, there's another spooky event worth celebrating. Thursday (Oct. 31) marks this year's Dark Matter Day as well, a time during which scientists ...

The General AntiParticle Spectrometer experiment is suspended from a football-field-sized balloon about 24 miles above the ...

For about 50 years, the scientific community has been grappling with a substantial problem: There isn’t enough visible matter in the universe. All the matter we can see — stars, planets, cosmic dust ...

When astronomers using NASA’s Hubble Space Telescope uncovered an oddball galaxy that looked like it didn’t have much dark matter, some thought the finding was hard to believe and looked for a simpler ...

The Webb telescope's image of the Cartwheel Galaxy, which was once shrouded in mystery due to dust - Copyright AFP Aamir QURESHI The Webb telescope's image of the ...

Dark matter is an invisible and mysterious form of matter that has enormous implications for the ultimate fate of our universe. Dark matter was posited by Dutch astronomer Jan Oort in the 1930 when he ...

Astronomers got their first hints that the universe is filled with some invisible, mysterious, massive substance back in the 1930’s—something that must be there and holding things together ...

For about 50 years, the scientific community has been grappling with a substantial problem: There isn’t enough visible matter in the universe.Related video above: Space junk crashed through family's ...

Since then, scientists have been trying to observe dark matter directly and even built large devices to detect it — but so far, with no luck. Early in the search, renowned British physicist Stephen ...

For about 50 years, the scientific community has been grappling with a substantial problem: There isn’t enough visible matter in the universe.Related video above: Space junk crashed through family's ...