The metal mass is five times bigger than the Big Island of Hawaii.
Binary asteroid system 1999 KW4 poses no threat of collision with our planet, scientists say.
The meteor was not even that big by NASA's standards.
The first-ever photo of a black hole had a strong gravitational pull toward comedy.
Trump sees China as a military threat in space.
Wild show mixes anime, outer space and PetGa.
The image, captured by astronauts orbiting the moon 50 years ago, forced us to come to terms with Earth's fragility — and the importance of protecting the environment.
Space looks pretty sweet right about now.
Central Michigan University geology professor Mona Sirbescu said that she knew "within seconds" that the rock was special.
The dwarf planet is new evidence of the long-sought Planet X.
It's also been called "The Great Pumpkin" asteroid.
Meanwhile, MSNBC broadcaster Katy Tur already has a "Space Force" theme song.
Have you got what it takes to fight wars in space?
It was quite the celestial treat.
Blood moons have inspired both awe and fear throughout the centuries.
Astronomers were looking for Planet X when they discovered the 12 moons.
One Twitter user griped that "this is what happens when we have a new 'Star Wars' film every year."