Could alien life exist in a parallel universe? Computer simulations from two new studies suggest the idea might not be out of this world. (Image credit: Shutterstock) ...

In a closed universe, parallel lines meet twice. This might seem completely wrong, but it is easy to picture it. Just imagine the meridians, the lines that provide the longitude of a location on ...

Recent discoveries have reignited excitement and curiosity in the scientific community, suggesting the possible existence of ...

On this week's wrap-up of the Space.com forums, we chat about UFOs. We also get excited about some interesting facts concerning the moon and wonder about parallel universes. But first, we test our ...