If you were to perfectly follow the steps in An Idiot's Guide to Making a Solar System, you should eventually find yourself ...

NASA artist’s conception of a brown dwarf (main) and stock image of the planets in the solar system (inset). An object between 2 and 50 times the mass of Jupiter may have flown through our ...

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a host of other puzzles connected to the solar system's deep past ...

What an amateur astronomer recently took to be a newly-discovered asteroid turned out to be a Tesla Roadster voyaging through ...

An interstellar visitor may have warped the solar system billions of years ago, a new study has claimed. Scientists suggested the enormous object disrupted the orbits of Jupiter, Saturn ...

Conduct more detailed simulations to refine the characteristics of the interstellar object and its encounter with the solar system. Search for observational evidence of such past encounters in the ...

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 ...

For decades, astronomers have debated how the solar system's planets formed ... bodies are fairly numerous in the cosmos, visits by such objects may be more commonplace than flybys of stars.

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago. Its journey could have permanently altered the orbits of the outer planets.

It's now relatively clear objects from outside of our Solar System tumble towards the ... astronomical distances to shoot back out into the cosmos again. In 2017, the asteroid Oumuamua dipped ...