Is it possible to understand the Universe without understanding the largest structures that reside in it? In principle, not ...

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New findings risk turning the tension into a crisis, scientists say.

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

"This is how you solve the universe-breaking problem." ...

Penzias and Wilson discover Cosmic Microwave Background radiation, supporting the Big Bang theory. Fr. Hincks now uses ACT ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.