In addition, astrophysical observations had revealed that occasionally, white dwarfs would cool off way faster than expected.

Normal matter – which makes up everything we see and touch – isn’t the only type of matter present in the universe.

A simple explanation of dark matter and antimatter, how they differ, how scientists study them, and why both are important to understanding the universe.

A mysterious excess of far-ultraviolet light seen across the Milky Way could come from the annihilation of clumpy dark matter ...

Scientists suggest a mysterious ultraviolet glow across the Milky Way may come from dark matter nuggets, hinting that the universe’s invisible matter might not be completely dark.

The Milky Way is glowing in ways it should not, and the usual suspects like stars, dust and black holes cannot fully account ...

A new computational breakthrough is giving scientists a clearer view into how dark matter structures evolve. Dark matter has remained one of the biggest mysteries in cosmology for almost a hundred ...

By studying faint distortions in galaxy shapes across a vast region of sky, scientists probed the hidden structure of the universe. In the standard picture of the universe, nearly everything is hidden ...

Cosmologists are finally beginning to sketch a coherent picture of the universe we cannot see, using exquisitely detailed ...

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run in a world powered purely by imagination ...

Dark matter and its impact on cosmology have puzzled physicists for nearly a century. At Perimeter Institute, two researchers are trying to better understand how one potential dark matter candidate, ...

Dark stars are not exactly stars, and they are certainly not dark. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally ...