"Consider a hypothetical solar system where all the planets reside within the star's habitable zone, potentially supporting ...

Learn about the solar system from a pair of real space museum curators in sci-fi game Elite Dangerous, as Abbie MacKinnon and ...

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the discovery of a planet about twice the size of Earth orbiting its star ...

The boundless potential of astronomical discovery contrasts sharply with the backwardness and reaction promoted by Trump and ...

About 5,800 planets beyond our solar system, called exoplanets, have been discovered since the 1990s. Of those, only four ...

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...