The ongoing search for an additional planet at the solar system's edge has identified a new candidate, potentially ...

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

For over a century, astronomers have wondered if there's an extra planet in our Solar System that we haven't been able to see ...

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

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

Stars have long inspired curiosity among observers, but our understanding of their birth and the creation of planets around ...

Astronomers using the James Webb Space Telescope have directly detected the faint glow of a planet that’s colder than any ...

Yet none of this kind exist in our solar system. Planet Nine would help fill that ... objects over long periods of time, tilting their orbits so the entire ice belt would be out of line with ...

An international team of astronomers has found that super-Earth exoplanets are far more common across the universe than once ...

In 2020, astronomers detected WD 1856+534 b, a gas giant that orbits a star 81 light-years from Earth. This exoplanet, which ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...