The dark nebula is part of the Circinus West molecular cloud, which stretches for 180 light-years, containing a mass 250,000 ...

Mysterious dark matter makes up 85 percent of matter in the universe, and of the remaining 15 percent, scientists couldn’t ...

In the aftermath of the Big Bang, this energy increases as space ... background, supernovas, and the gravitational warping of light from distant galaxies, the likelihood that dark energy is ...