The early universe is absolutely so far outside our understanding of how the world works it's hard to describe in words. Back ...

Found in an ultrafaint dwarf galaxy, the ancient star’s unusual chemistry indicates it formed from gas enriched by a single ...

Douglas Adams told us the answer to life, the universe and everything is 42. If only cosmology were so straightforward. Astronomers have been arguing for years about a number every bit as fundamental, ...

A group of undergraduate students stumbled into a cosmic time capsule—one of the oldest stars ever discovered—while combing ...

The cosmic microwave background corresponds to the first light emitted after the Big Bang. It still fills the entire Universe ...