On ‘Star Wars day’, researchers more than double the number of potential known ‘circumbinary’ planets like the fictional Tatooine, home to Luke Skywalker ...

A planet so distant that its starlight began traveling toward Earth around the Middle Ages has given one University of Cincinnati graduate student the kind of first look astronomers wait years for.

NASA's Nancy Grace Roman Space Telescope is poised to make a major leap in the hunt for worlds outside our solar system, ...

An artist's illustration depicts the exoplanet LHS 3844b. (NASA/JPL-Caltech/R. Hurt (IPAC)) The James Webb Space Telescope (JWST) has revealed a dark, scorched world that may be similar to the Moon or ...

A hot, rocky planet discovered using the Kepler space telescope is the smallest ever found outside our solar system. The new planet, called Kepler-37b, has a radius less than a third the size of Earth ...

A dense metallic core, a silicate mantle, and a thin atmosphere on top—this familiar internal structure of rocky planets may ...

Lurking throughout the distant cosmos beyond the solar system, researchers recently found what they believe could be another whopping 10,000 planets orbiting suns that aren't our own. The Milky Way ...

Erik Gillis, a PhD student in McMaster University’s Department of Physics and Astronomy, is lead author of a new study revealing that the most common planets in our galaxy don't exist around the most ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place before our solar system existed.

WASHINGTON, Feb 14 (Reuters) - Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its gaseous ...

Astronomers have observed two planets forming in the disk around a young star named WISPIT 2. Having previously detected one planet, the team has now employed European Southern Observatory (ESO) ...

This image of Venus taken by NASA’s Mariner 10 spacecraft (left) is paired with an artist’s depiction of three possible atmospheres on a recently discovered exoplanet, Gliese 12b. This new University ...