A common height that seems normal in our human-scale world. Yet, when we compare it to the smallest and largest conceivable ...

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 ...

The size of the universe depends on its shape, with possibilities ranging from finite and spherical to flat or even infinite.

After analyzing more than three years of continuous observations from one of the world's widest-angle telescopes in New Mexico, astrophysicists have compiled the most accurate map ever of the universe ...

you can certainly make a case against those, but they have to be consistent with observed evidence. for example, the universe may not be infinite but it would either need to have a very weak positive ...

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 ...

This is an article from Curious Kids, a new series aimed at children. The Conversation is asking kids to send in questions they'd like an expert to answer. All questions are welcome – serious, weird ...

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 ...