Around Halloween in 2015, astronomers discovered 'The Goblin'. Now, it's leading us to what some call Planet X.
A mind-bending paradox questions the nature of reality.
This meteorite is the oldest known volcanic rock in the solar system, dated at 4,565,000,000 years old.
Is The Goblin's orbit a breadcrumb leading us to Planet X?
Flat Earth theory has enjoyed staying power since at least the 19th century despite being patently untrue. Neil deGrasse Tyson, the late Carl Sagan, Bill Nye the Science Guy, and other big thinkers will show you how to disprove this bad idea, all without having to take a journey into space.