Astronomers are uncovering distant worlds beyond our solar system using ingenious indirect methods like observing stellar ...

Scientists using NASA's James Webb Space Telescope have observed a rare type of exoplanet, or planet outside our solar system ...

Astronomers rarely see distant planets directly, instead tracking tiny stellar wobbles and fading light. How do these subtle ...

Scientists have discovered the strongest evidence yet of a rocky planet with an atmosphere outside the solar system, ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

An ultra-hot rocky exoplanet may be wrapped in a dense atmosphere, defying expectations about what small planets can sustain.

A new discovery, made using the James Webb Space Telescope (JWST), may just be the weirdest exoplanet yet, possessing an ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

There have been questions about a mysterious ninth planet in our solar system for nearly a decade. Pluto was unseated as number nine in 2006. Now, a group of international researchers say they may ...

This article was originally featured on The Conversation. 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 ...