The asteroid poses no threat to the moon or Earth. A newly discovered house-size asteroid is set to make a close, yet ...

Astronomers believe that Planet Nine could be 5-7 times the size of Earth and situated more than 200 times farther from the sun than our planet. It is believed to orbit the Sun in 10,000 to 20,000 ...

Earth's surface is mostly deep ocean, but a new study reveals just how little we have glimpsed of the floor of our planet's ...