Discover what astronomers are learning about an ancient ice giant traveling through our solar system that's a strange hybrid ...

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

Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist.

The odd atmosphere of a fledgling exoplanet is causing astronomers to question leading theories of how planets form.

The asteroid belt is messy and sometimes a threat to our solar system’s planets, so on this episode of Dead Planets Society it’s time to tidy it up into a single asteroid world ...

The Sun is an incandescent but benevolent dictator. For billions of years, it's kept our Solar System well organized and ...

Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the most volcanic world in the solar system.

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 ...

The innermost Earth-like planet in the famous TRAPPIST-1 system might be capable of supporting a thick atmosphere after all, ...

It's possible for our solar system to capture a rogue planet and give it a home as it hurtles through the galaxy, according ...

The research team's simulations indicate a 1 in 100 chance that an interstellar visitor could produce the orbits we see today ...

The James Webb Space Telescope uncovers frozen water in a distant protoplanetary disk, revealing insights into the origins of ...