Physicists have determined that most of the universe is dark matter -- invisible to us but affecting the universe anyway.

Astronomers have long puzzled over the cause of a mysterious “glow” of very high energy gamma radiation emanating from the ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

Quantum theory fails to explain how the reality we experience emerges from the world of particles. A new take on quantum ...

Supersonic shock waves are cone-shaped disturbances that result from an object moving faster than the speed of sound. If you ...

Researchers have found a way to make “dark excitons”—normally invisible quantum states of light—shine dramatically brighter ...

Industrialization in Michigan’s Upper Peninsula has some residents pushing for protection of the region’s celestial splendor.

Physicists know that something unseen is sculpting the cosmos, outweighing ordinary matter by roughly a factor of five, yet every detector built so far has come up empty. One of the most audacious ...

The tidal forces produced by a tiny black hole would have an interesting effect on human bodies.

A group of Spanish and German researchers claims to have found solid evidence of access to a fifth dimension, a scenario that ...

In a groundbreaking cosmic test, researchers have discovered that dark matter behaves more conventionally than previously ...