In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

The blank horizontal bar is the galactic plane area, which was excluded from the analysis to avoid strong astrophysical ...

Odd radio waves emanating from the ice don’t fit our model of particle behavior. Could they be a sign of dark matter?

An object inside our galaxy is moving so fast that it is on track to break free of the Milky Way altogether, racing through ...

The largest spinning structure ever seen was a giant rotating filament of the cosmic web, a rotation with clues about how ...