Researchers say the particles have wave-like properties and are trying to make them measurable. Dark matter was first described in 1933 by the Swiss astronomer Fritz Zwicky.

According to current theories, there is five times more dark matter than ordinary matter in the cosmos. If his theory that the particles behave like waves is correct, researchers could also measure them with gravitational wave detectors. In the future, detectors will be sent into space that would have a chance of detecting them, “like the Laser Interferometer Space Antenna (LISA)”