Billions of years ago, another planet smashed into Earth. An event of this epicness could have created our Moon. It also ...

Are we being observed from afar? 👽 Physicist Michio Kaku explores the scientific possibilities behind advanced civilizations, examining whether extraterrestrial life could be studying humanity—and ...

These are the 10 best time travel episodes in Star Trek history, ranked for you to watch when you're in the mood for some ...