There was a glimmer in the air tonight at Vandenberg Space Force Base in California, and it wasn't only because a SpaceX ...

Here's how to get the best view before they disappear ... The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like.

But it's not the only company that builds 360-degree security cameras that can be powered with a solar panel. Companies like ...

Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth.