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 ...

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

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

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.

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

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

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

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 ...

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

We physicists and cosmologists are brothers. We're twins, and we are trying to answer the same fundamental questions about the universe. NOVA: People often talk about a "theory of everything." ...

In what was then regarded as a great coup, they secured the attendance of Linde and two other young Soviet cosmologists, Alexei Starobinsky and Alexander Dolgov. The VEU meeting was Linde's debut ...