Add Yahoo as a preferred source to see more of our stories on Google. NASA's Psyche orbiter looked back and snapped a photo of Earth with the moon on its way to the asteroid Psyche in 2029. - NASA / ...

Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner solar system, they consider it likely that 6–40% of this material must have ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

As a NASA spacecraft whizzed away from Earth at 40,265 mph, it took a brief moment to look over its robotic shoulder at how far it's traveled. Psyche, a mission and orbiter named after its space ...