A new paper from Harvard's sometimes controversial physicist Avi Loeb has suggested that if we want to find advanced alien ...

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

An exoplanet is any planet beyond our solar system. Most of them orbit other stars, but some free-floating exoplanets, called ...

The Solar System might not be as quiet and orderly as we think. Imagine one day looking up and seeing something strange in ...

A rogue planet is a world that has been ejected from the planetary system in which it originally formed. Because rogue planets do not orbit a parent star, they are cast adrift into interstellar ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

A couple of decades ago, the idea of a rogue planet entering our solar system would have been the stuff of fantasy, but now we know it’s actually possible. In a recent paper, ...

Planets that go rogue orbit no star. They wander the vacuum of space alone, having been kicked out of their star systems by gravitational interactions with other planets and stars.

Scientists have used gravitational lensing to detect a so-called ‘rogue planet’ that doesn’t orbit a star and floats freely in space. The planet is relatively … ...

The term "rogue planet" conjures up visions of such places as Hoth, Alderaan, and Endor (from the "Star Wars" universe). Those places orbit stars, whereas free-floating planets don't do that anymore.

Rogue planets, also known as "free-floating planets," are planetary bodies that do not orbit a star. Unlike planets in our solar system, which are gravitationally bound to the sun, rogue planets ...

Some, called rogue planets, don't even orbit a star, but are rather floating through the cosmos untethered. Astronomers have confirmed the existence of more than 5,800 exoplanets , but billions ...