UK researchers have confirmed the existence of a “super Earth” located 20 light-years away that could reveal the existence of ...

That would mean the solid centre of the core is just under a fifth of the radius of Mars itself, which is a size ratio similar to that of Earth and its solid inner core. “I think they have a ...

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...