Astronomers realized that a strange cloud of gas was actually a relic of the ancient universe which might help solve some of ...

Researchers from the University of Minnesota Twin Cities and Université Paris-Saclay have reopened one of cosmology’s oldest ...

Dark matter, one of the Universe’s greatest mysteries, may have been born blazing hot instead of cold and sluggish as ...

In a landmark discovery that bridges nearly a century of theoretical physics, a Chinese research team has successfully ...

If dark stars existed, they would have been capable of forming in the universe before ordinary stars could have formed. When ...

Dark matter, the invisible substance that shapes the Universe, may have had a far more dramatic beginning than scientists once believed.

These four dwarf galaxies are part of a census of small galaxies in the tumultuous heart of the nearby Perseus galaxy cluster. The images, taken by NASA's Hubble Space Telescope, are evidence that the ...

Physicists have unveiled a new way to simulate a mysterious form of dark matter that can collide with itself but not with ...

Scientists are a step closer to solving one of the universe's biggest mysteries as new research finds evidence that two of ...

NASA’s Scientific Balloon Program has reached new heights, both literally and figuratively, with four successful ...

A NASA team using the Hubble Space Telescope found an object in space never recorded before, nicknamed “Cloud-9.” ...

Dark matter makes up most of the mass in galaxies and galaxy clusters. In fact, scientists estimate that ordinary matter makes up only about 5% of the universe, while dark matter makes up about 27%.