It shapes galaxies and bends light, but is dark matter even real? Find out what scientists know, what they’re still guessing, ...

First and perhaps most perplexingly, researchers remain unsure about what exactly dark matter is. Originally, some scientists ...

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

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

WASHINGTON, Oct 16 (Reuters) - Scientists may be coming closer to confirming the existence of dark matter - the invisible stuff thought to make up more than a quarter of the cosmos - as they study a ...