Nearly a century after Pluto’s discovery, astronomers are still hunting for mysterious planets beyond Neptune - including a ...

Take a journey to the outer edges of the solar system and discover how planets, comets, and icy fragments form an invisible ...

Our solar system may be small in relation to the universe, but amazingly it's still yielding new discoveries. Scientists have discovered three new moons – two orbiting Neptune and one orbiting Uranus.

Super-Earths and sub-Neptunes, planets with sizes between Earth and Neptune, constitute approximately one-third of known exoplanets but are absent in our solar system. Their prevalence elsewhere and ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

Bundle up and blast off to the far reaches of our Solar System for Ice Giant Night at the historic Cincinnati Observatory.

Our solar system has eight planets, four of which move in slightly different elliptical orbits which are tilted compared to ...

This article lists the top 7 largest moons in our Solar System, detailing their size, the planet they orbit, and key ...

Jupiter's rapid early growth dramatically reshaped our solar system, scientists now reveal. Its immense gravity acted as a cosmic divider, separating ...

The team identified planets around three stars, including TOI-5799c, which may have an atmosphere and conditions suitable for liquid water.