Scientists, in a new study, say water on Earth may not have originated here, but was brought to our planet by asteroids from the outer edge...

Astronomers have discovered that a car-sized second natural satellite, commonly called a mini-moon, is temporarily orbiting Earth for the p...

Researchers of the University of Hawaii concluded that the comet was ejected from the inner Solar System early in the planet formation proc...

Hedgehog is a new concept for a robot that is specifically designed to overcome the challenges of traversing small bodies.