The coldest and densest molecular gas clouds in the interstellar medium can have temperatures of 10 K (-505 °F/-263 °C), ...

Imagine you’re out for a routine space walk. Suddenly your helmet comes loose. But instead of suffocating, you breathe in ...

In space, no one can hear you scream — here's why. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Our universe is filled with floating nebulae, ...