Most of them have a diameter of between 20 to 100 kilometres, a few up to 500 kilometres, but none are larger than Ceres: with its 1000- kilometre diameter, it makes up more than a third of the total ...

South polar region of the giant asteroid Vesta. NASA/jPL-Caltech/Getty Images When the detection of the asteroid was announced last month, NASA predicted just a 1.3% probability of it hitting Earth.

Varied impact craters, valleys, canyons and mountains among the highest in the Solar System - the 3D images and videos of the asteroid Vesta created by scientists at the German Aerospace Center ...

But on some worlds, including the giant asteroid Vesta that NASA’s Dawn mission explored, the surfaces also contain deep channels, or gullies, whose origins are not fully understood. A prime ...