For decades, scientists have speculated about the existence of dark matter, the invisible substance that makes up most of the universe’s mass. Now, thanks to groundbreaking research using NASA’s Fermi ...

Searches for dark matter particles have come up empty so far, driving theorists to get more creative with their ideas.

The vast majority of matter is dark – invisible until it is detected only through its gravitational effects. The newly discovered object could be a clump of dark matter, or it could also be a compact, ...

What is the nature of dark matter? A new experiment led by Columbia University physics professors aims to find out.

A simple explanation of dark matter and antimatter, how they differ, how scientists study them, and why both are important to understanding the universe.

Normal matter – which makes up everything we see and touch – isn’t the only type of matter present in the universe.

Astronomers have discovered an extremely faint, low-mass object in the distant cosmos, raising suspicion that it could be made up of dark matter, the elusive substance that makes up nearly 30% of the ...

Imagine a star powered not by nuclear fusion, but by one of the universe’s greatest mysteries—dark matter. Scientists have proposed the existence of “dark dwarfs,” strange glowing objects potentially ...

In the vast universe, galaxies rotate in ways that don’t make sense if only visible matter is considered. For almost a century, scientists have tried to explain this by searching for a hidden force ...

Seeing is not believing when it comes to dark matter. Scientists have blown stargazers’ collective minds after discovering a massive dark object in space that’s completely invisible to the naked eye, ...

Astronomer Vera Rubin spent much of her career at the Carnegie Institution’s Department of Terrestrial Magnetism in Washington, D.C. She's best known for convincing the world that dark matter exists.