What if outer space isn’t empty, but behaves like a thick, slow-moving fluid? Anew study suggests just that, and it could ...

Right above you is the sky – or as scientists would call it, the atmosphere. It extends about 20 miles (32 kilometers) above the Earth. Floating around the atmosphere is a mixture of molecules – tiny ...

How we talk about space exploration shapes the futures we imagine and build. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was ...