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 ...

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

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

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in ...

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

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 ...

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 ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

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

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