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 curiouskidsus@theconversation.com. What is the universe expanding into if it’s ...

To find an answer, we asked physicist Omololu Akin-Ojo, who teaches this subject. A physicist is someone who studies physics. Physics is the science of energy, forces and particles. We study physics ...

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol' Earth helps us understand what the universe might be doing beyond ...

Add Yahoo as a preferred source to see more of our stories on Google. What shape is the universe? This question is far more intriguing and truly unresolved than any debate over the shape of our planet ...