In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

What is Guardians of the Galaxy Vol. 3's fleshy tentacle planet that The Guardians spacewalk on in the trailer? Here's how ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

Scientists measured mass and distance of free floating planet drifting through space without star for first time.

Astronomers may have finally worked out how planets between the size of Earth and Neptune – which aren't found in our Solar ...

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a ...

Since first appearing in 2014's Guardians of the Galaxy, Groot has been a fan-favourite character among MCU fans. After sacrificing himself to save his teammates during that adventure, the sentient ...

Astronomers have detected a massive, lonely world drifting through the darkness without a star to call home. This ...

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is only the third to be found on the outskirts of our galaxy's dense central ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...