The Universe is immense. Does it have an edge out beyond the Cosmological Event Horizon? Or in time, before the Big Bang? Or ...

Does the universe have an edge or does it go on forever? This video explores what science, cosmology, and physics reveal ...

The universe is full of exploding stars, matter eating black holes, and swaths of dark matter and energy that scientists still don’t quite understand. To the average person, it might look like a ...

The stellar nursery mirrors conditions of the early universe, scientists say. A sparkling stellar nursery appears reminiscent of the early universe in new images from the Hubble Space Telescope. The ...

Astronomers have discovered the oldest and most distant black hole — a behemoth that likely formed at the dawn of the universe, more than 13 billion years ago. The black hole lies at the center of a ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its present age, astronomers have found. The discovery raises questions about how ...