Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy.

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class of planets.

Earth" planet was discovered by researchers. It is not believed these planets are more common than previously thought.

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible ...

Ancient depictions of the Egyptian sky goddess may represent one of the earliest visual interpretations of the Milky Way ...

Using the Hubble Space Telescope and an array of other instruments, astronomers have probed supernova wreckage in the Large ...