From the biggest black holes in the universe to what would happen if the Moon collided with Earth, this video has all of my favorite actually unbelievable space facts!

Discover interesting facts about how the moon formed, what it's made out of, and the many missions humans have launched to ...

One Pluto year equals 248 Earth years. At 1473 miles in diameter—about half the width of the United States—Pluto is the ...