The origin of our Universe remains one of the greatest enigmas of science, a question that seems to defy the limits of our ...

From early experiments with lanterns to Einstein’s revelations about space and time, the speed of light has proven to be far ...

The universe exists because matter and antimatter are not good friends. Is there a scientific reason why the universe exists?

Information could become the fifth state of matter alongside gas, plasma, liquid, and solid states. A scientist has proposed ...

That cosmologists cannot agree on one of the most elementary facts about the universe is striking enough. But that uncertainty produces others, too: it makes it impossible to calculate an exact age ...

Astronomers once thought the universe's first stars (made of hydrogen and helium) were nearly all giants, hundreds to ...

Quirks & Quarks is having its 50th anniversary this fall. Bob McDonald shares his appreciation for the people behind the ...

Astronomers have discovered the most monstrous supermassive black hole ever. At 36 billion times more mass than our sun, it’s ...

The first chemical reactions in the wake of the Big Bang have been recreated for the first time in conditions similar to those in the baby Universe.

For decades scientists believed the universe was built on ordinary matter, dark matter and dark energy. These unseen forces ...

A backward, mirror universe could explain the existence of dark matter. If an anti-universe exists, it would run backward in ...