A video from SLAC National Accelerator Laboratory explains how the upcoming LZ experiment will search for the missing 85 percent of the matter in the universe.
A theory about gravity challenges our understanding of the universe.
A NASA rocket experiment could use the Doppler effect to look for signs of dark matter in mysterious X-ray emissions from space.
The Heavy Photon Search at Jefferson Lab is looking for a hypothetical particle from a hidden “dark sector.”
According to the Fermi LAT collaboration, the galaxy’s excessive gamma-ray glow likely comes from pulsars, the remains of collapsed ancient stars.
Construction has officially launched for the LZ next-generation dark matter experiment.
With a small side project, astronomers discover a new type of galaxy.
See cosmologist Risa Wechsler's answers to readers' questions about dark matter and dark energy.