Sound as we know it does not exist in space. That’s because, on Earth, sound mainly travels to our ears via vibrating air molecules. Because space is a vacuum, meaning there is no matter at all ...

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 ...

Pangaea is Earth's most recent supercontinent, which existed 320 million to 195 million years ago. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...