Scientists have found that the universe exists because it began with a slight imbalance between matter and antimatter.

Our understanding of cosmology hinges on how well we know our own local universe, which remains poorly mapped and poorly ...

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.

New computer simulations suggest the first magnetic fields that emerged after the Big Bang were much weaker than expected — ...

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 ...

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

While radio waves are the method of choice when searching for signals of intelligent alien life, other detectable signs also ...

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

Just as ocean waves shape our shores, ripples in space-time may have once set the Universe on an evolutionary path that led to the cosmos as we see it today.

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

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