For over two decades, cosmologists have believed that the universe is expanding at an accelerating pace, driven by a ...

When you bake a loaf of bread or a batch of muffins, you put the dough into a pan. As the dough bakes in the oven, it expands into the baking pan. Any chocolate chips or blueberries in the muffin ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. Everything on Earth, in our solar system, our galaxy, and beyond is contained within ...

In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding? Astronomers have tried two main methods to figure it out, but their numbers don’t ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

The early universe experienced a phase of rapid expansion, known as inflation. For decades, cosmologists assumed that this expansion was powered by a new entity in the universe, known as the inflaton.

Is the universe infinite? It's one of the most profound questions we can ask, and here's the short answer: We don't know. While we have learned a great deal about the universe, a portion of the cosmos ...

Virgil is the reddest Little Red Dot discovered so far, and its hidden black hole may offer a clue to the fate of this ...

"Really, Euclid is not only a dark universe detective, it's also a time machine. We will look back 10 billion years in cosmic history." The day that astronomers have been waiting for is here. On ...

Astronomers peering back deep in time into the distant universe think they may have discovered a population of previous hidden galaxies that could shake up astrophysics. The research, based on data ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. CREDIT: ESA/Hubble & NASA, L. C. Ho, D. Thilker. Get the Popular Science daily ...