Extras
Asteroids Provide Hints About the "Ingredients" in Planets
By studying asteroids, researchers can learn about the formation of planets.
Asteroids Provide Hints About the "Ingredients" in Planets
Did This Asteroid Just Turn into a Comet?
Everything in the solar system is dynamic—you can watch it evolve in real time.
Did This Asteroid Just Turn into a Comet?
Inside OSIRIS-REx’s Mission to Tag Asteroid Bennu
Learn more about OSIRIS-REx’s mission to an asteroid 200 million miles away.
Inside OSIRIS-REx’s Mission to Tag Asteroid Bennu
Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring it back to Earth.