Saturn has finally joined its fellow solar system giant planets as the parent of trailing asteroids called "Trojans." But the ...

Jupiter's Trojan asteroids are the last remnants of 'planetesimals' - the ancient building blocks of planets in the solar system. These asteroids circle the Sun in synchrony with Jupiter and ...

Next year, it will visit asteroid Donaldjohanson before flying towards the Trojan ... Jupiter. To do that, it will need a little help from Earth. The spacecraft is rapidly approaching our planet ...