Dark matter is invisible. It's all around us. And we have no idea what it is. The universe is so much bigger than what people can see. Visible matter — which makes up the things you can see like the ...

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

One hypothesis for the nature of dark matter is that some of it could be self-interacting, meaning the individual particles interact slightly with one another. When you purchase through links on our ...

At age 12, Tracy Slatyer felt sorry for a book. She read a newspaper article about how lots of people were buying A Brief History of Time by Stephen Hawking. “But then … nobody was actually reading it ...

Dark matter, the substance that makes up about 27% of the universe, could potentially be detected as a red or blue light "fingerprint," new research shows. The research is published in the journal ...

Researchers using new simulations suggest that the Milky Way’s past collisions may have reshaped its dark matter core. This ...