Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Astronomers have uncovered an extraordinary exoplanet circling a pulsar, a remnant of a exploded massive star. Named PSR ...

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

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

NASA has confirmed that there are over 6,000 exoplanets floating out there in the galaxy, with another 8,000 exoplanets that ...

Scientists have observed a “rogue planet” that is growing at an alarming rate as it gobbles up six billion tons of gas and dust every second, a new paper revealed. The newly studied object, formally ...

Astronomers have just confirmed one of the strangest kinds of worlds imaginable, a planet drifting through the galaxy with no star of its own roughly 10,000 light-years from Earth. Instead of circling ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

Astronomers have captured an exceptionally rare view of young planets in mid-transformation, revealing how bloated, giant worlds may shrink into the most common planets in the galaxy. Astronomers have ...

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