All About Space editor Gemma Lavender pens a compact guide to what the universe is, how it was formed and why studying it matters. When you purchase through links on our site, we may earn an affiliate ...

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 ...

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be straightforward. Objects are still emitting light, and that light takes time to travel ...