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

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

Webb observations of the Sextans A galaxy reveal how stars in a metal-poor areas create cosmic dust, offering clues about the ...

Somewhere between the stars, far from any sun, a planet is moving quietly through space. There is no orbit to trace and no ...

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

One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the ...

Now, a new Nature study points to an answer by catching four planets at a stage most systems never show us: The awkward, ...

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

While late M-stars are the easiest places to find Earth-sized planets, a new study suggests they are biological dead ends where animal life may never find enough fuel to evolve.

New research tracks young planets around a nearby star, showing how large, gas-rich worlds shrink over time to become the most common planets in the galaxy ...

Astronomers have signalled the discovery of a planetary body roaming the Milky Way that is not gravitationally bound to the ...

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