It must have cleared all other celestial bodies, except its own moons, from its orbit.

A team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids and comets with new solar data sets to develop a revised solar composition that potentially reconciles ...

A rare solar wind event was taking place when NASA’s Voyager 2 zipped by in 1986, a study suggests, which affected what we ...

A town in the Austrian Alps might not seem like the most conducive place to come up with daring space missions. But, for the ...

The researchers revealed that Uranus’s protective magnetic field was distorted, and seemed wonky and weak, being squashed and ...

"Thirty days hath September" is so last year. Check out these other clever, helpful mnemonic devices to help you remember all ...

Pluto. Due to its large mass, it would have a great internal energy that could sustain, for example, subsurface oceans. Its orbit would be very distant, much beyond Neptune, and much more inclined ...