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. Can rainbows form in a circle? – Henry D., age 7 ...

Nobody really understands gravity. We know what it does. We have equations for it, and we're constantly correcting GPS satellites because of it. But ask a physicist what that pull actually is, and ...

Ballistics is a fascinating field that combines science, physics, and technology, but do you know some of the most surprising facts about it? In this video, we reveal fun and little-known ballistic ...