Jupiter, Saturn, Uranus and Neptune did not always have their current positions in the solar system. According to the ...

Conventional images of the Earth and the moon place them close together, the moon hovering, seemingly, right over our planet's shoulder. Of course, this isn't accurate; we know just from looking at ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...

Looking at the Solar System, Jupiter and Uranus both have plenty of irregular moons. In supercomputer simulations, the ...