Roughly 85% of the universe is made of dark matter—but no one knows what it actually is. Some physicists now believe it could be part of a hidden "Dark Universe, " possibly with its own version of ...

Imagine a star powered not by nuclear fusion, but by one of the universe’s greatest mysteries—dark matter. Scientists have ...

Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to ...

Dark matter may ignite brown dwarfs into glowing “dark dwarfs” Only self-annihilating dark matter types would create this effect James Webb Telescope may already be able to detect dark dwarfs ...

Some faint stars may not burn with fusion but with dark matter itself. These "dark dwarfs" could be the long-awaited clue to what makes up most of the universe.