The Netflix K-drama 'When the Stars Gossip' might have you asking questions about space travel, microgravity and what it's like to be an astronaut. Here are some answers.

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 ...

An curved arrow pointing right. Space is so unfathomably large and so unbelievably weird, that it can sometimes be difficult to convey basic facts. For example, you can fit all of our solar system ...

It can survive boiling water, outer space, and extreme radiation. Following is a transcript of the video. This funny looking little guy can survive boiling hot water, outer space, and decades ...