Among the planets in our solar system, Earth stands out not just for its life-supporting capabilities but also for its unique ...

The solar system is vast, but how big is it really? In this video, we break down the scale of our solar system by starting ...

The evolution of the orbits of the planets is a complex process. Initially the planets formed out of a rotating disk of gas ...

An object up to dozens of times the mass of Jupiter flying through our solar system may have disrupted planetary orbits.

Speaking of which, it's time to test your knowledge of our stellar neighborhood with our solar system quiz. If you need a hint, click the yellow button. —Constellations quiz: Can you name all ...

The discovery doubles the known number of these mysterious celestial objects across our solar system that resemble asteroids but zip through space like comets, albeit without the “tail” comets ...

New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian objects (TNOs) and centaurs. The findings reveal the distribution of ices in ...

There's something big missing from our solar system — and that may be a good thing. Planetary scientists recently simulated an alternate version of our solar system: one with a super-Earth ...