Astronomers confirm TOI-5573 b, a rare, miniature Saturn-like planet orbiting a small star, challenging theories of planetary ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

Learn how a new discovery of a giant planet can help scientists refine their theories of how planets form.

What processes during the formation of Pluto's largest moon, Charon, potentially led to it having cryovolcanism, and even an ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was ...

Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...

Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white ...

Despite being covered in impact craters that could potentially send pieces of the planet into space, we have never found a ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Why do we have a special day to celebrate space rocks? On June 30, 1908, a massive explosion over Tunguska in Siberia ...

NASA's James Webb Space Telescope (JWST) provided the first direct image of a planet with a mass similar to Saturn's, ...