Twelve people have landed on the moon As of 2025, only twelve people have ever set foot on the moon—all of them American ...

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 ...

Facts about the human body and animals aren’t the only thing shared in this Reddit thread, though. Some users also shared some cool space facts. For instance, u/Public_Breath6890 shared that 99. ...