Scientists have many big questions to tackle about the universe, including how big it actually is. But even the proposed answers aren't straightforward.

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 ...

The universe's expansion is similar to a balloon inflating; the surface expands, causing dots (galaxies) to move apart. Galaxies farther away from us appear to recede faster than closer ones. The ...

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, ...

The article chronicles the evolution of astronomy from astrology and alchemy to modern astrophysics, highlighting significant advancements like the development of spectroscopy and Einstein's theory of ...

When you look at your surrounding environment, it might seem like you’re living on a flat plane. After all, this is why you can navigate a new city using a map: a flat piece of paper that represents ...

After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of the universe to its utmost limits, we can finally, confidently say that the ...

The universe — everything in existence — is expanding every second! It's only been about a hundred years that humanity has known this, too — that most galaxies are traveling away from us and the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Quinnipiac University provides funding as a member of The Conversation US. 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 ...