Its force of gravity is not strong enough to pull in all the many other objects ... Neptune called the Kuiper Belt. The solar system also contains small objects called comets.

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

All objects exert gravitational forces on each ... other planets and moons – or even travel much further, away from our solar system. Space probes have been sent to observe the outer solar ...

It was the first observed object in our solar system that originated outside of ... “However, these are all hypotheses, and while they’re consistent with all of our data, more work is needed ...

These solar system objects are like icy asteroids and have ... which originated closer to the giant planets, are all part of the spectral group characterized by water ice and silicates." ...

When 'Oumuamua traversed our solar system in 2017 it was the first confirmed Interstellar Object (ISO) to do so. Then in 2019, Comet 2l/Borisov did the same thing. These are the only two confirmed ...

But not all comets put on such a dazzling display ... galaxies and even hidden solar system objects. In their recent study, astronomers pieced together that some of these nightly images contained ...

front of Jupiter's Great Red Spot. Mars is a famously red object in our solar system, but it’s not the reddest. That honor goes to Amalthea, a tiny moon orbiting around massive gas giant planet ...