The story begins with the black hole information paradox. According to relativity, anything that falls into a black hole is ...

The dark object has a mass a million times greater than our sun's is located 10 billion light-years away and has no stars.

From glowing statues in Celestial Park to secret challenges in Super Nintendo World, Epic Universe is full of surprises.

About 85% of the universe is dark matter, and some physicists speculate an entire parallel dark universe—and even dark life—could exist undetected beside ours.

Dark energy—the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe's greatest mysteries. The most widely accepted theory currently suggests ...

A team of astronomers have found a mysterious object in the distant universe that could be dark matter or an inactive smaller, or dwarf, galaxy.

For a quarter century, cosmology has leaned on one framework to explain how the universe expands. Known as the ΛCDM model, it assumes about 70 percent of the cosmos is filled with an unseen force ...

Astronomers have detected a mysterious dark object in the distant universe — and its size has them fascinated.

Evolving dark matter may explain cosmic acceleration. Observations support a mixed model. For years, a stubborn puzzle has sat at the center of the standard cosmological model. The evidence clearly ...

Scientists found where the universe’s missing matter went. Black holes have been pushing it far away from galaxies.