The universe is expanding. But how fast? Why is this happening? And what will be the universe’s ultimate fate? These are big, literally cosmic questions, and astronomers continue to struggle to nail ...

In a groundbreaking discovery, the James Webb Space Telescope (JWST) has presented data that directly challenges our current ...

Space never ceases to amaze us, but what the James Webb Space Telescope (JWST) just found has changed everything that we know ...

Webb's high-resolution instruments uncover distant objects, enabling studies of early stars, galaxies, and habitable ...

But the Webb may have just identified a solution to the dilemma as well. It has spotted a black hole that appears to have ...

Estimates of how fast the universe is expanding disagree. Could a new form of dark energy resolve the problem?

One could argue that cosmologists had made little progress in our understanding of these basic facts since the discovery of the cosmic microwave background (CMB), the afterglow of the Big Bang ...

Growing up in Long Beach, California, his parents adhered to a creationist view of the universe. But young Koerner caught ...

"Cosmologists calculate the current theoretical size limit of structures to be 1.2 billion light-years, yet both of these ...

For nearly 10 years we’ve been operating in a search mode, and any day we could make a discovery,” said Gray Rybka, a ...

Is it far-fetched? Of course! But right now, cosmologists are trying to figure out if there’s a group of multiple universes running parallel to each other—and whether they might be habitable.

Astrophysical explosions are, to give a few examples, driven by the collapse of the iron core of a massive star (known as a ...