Imagine you’re in a car driving across the country watching the landscape. A tree in the distance gets closer to your car, passes right by you, then moves off again in the distance behind you. Of ...

For the first time, researchers measured singularities in combined light and sound waves moving faster than the speed of ...

Astrophysics faces a paradox: several independent measurements of the speed at which the cosmos is growing do not agree. This ...

At first, this seems like a paradox with a fundamental law of physics somehow getting broken here, but rather ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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. Why does time change when traveling close to the ...