Searches for dark matter particles have come up empty so far, driving theorists to get more creative with their ideas.
Smooth filaments stretching for many light-years, seen by the powerful space telescope, could indicate what the right "recipe" is for dark matter.
Dark stars are not exactly stars, and they are certainly not dark.
The NASA gamma-ray spacecraft Fermi may have enabled scientists to "see" dark matter, the universe's most mysterious stuff, for the first time.
"If these results are confirmed, it would mark a major paradigm shift in cosmology since the discovery of dark energy 27 years ago."
Scientists have set about discovering if dark matter behaves like ordinary matter in the cosmos, with the answer revealing more about this mysterious "stuff" and casting doubt on the existence of a fifth fundamental force of nature.
This quiz dives into the mysterious world of dark matter — what we know, what we don't, and how scientists are chasing shadows across the cosmos.
The century-old mystery of dark matter — the invisible glue thought to hold galaxies together — just got a modern clue.
Astronomers have unveiled a new catalog of massive galaxy clusters, revealing new insight on the evolution of the universe.
A new study suggests dark matter could subtly tint or polarize light, leaving faint color clues that next-generation telescopes might detect.
