Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

A newly discovered warp in the outer Solar System may have been created by a small, rocky world, much closer to the Sun than ...

But as researchers have discovered more moonlike objects in our solar system—including 128 moons orbiting Saturn just this ...

Scientists use James Webb Space Telescope to make 1st 3D map of exoplanet — and it's so hot, it rips apart water ...

An international team of astronomers has shown for the first time that it is possible to map exoplanets using a technique ...

When you see art of our solar system as the planet orbit the sun, you may notice that Earth's orbit has a tilt. It is not a perfect circle. What's more, Earth is not the only planet that displays such ...

Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

The European Southern Observatory said the discovery as "the first clear detection of a baby planet in a disc with multiple rings" Abigail Adams is a Human Interest Writer and Reporter for PEOPLE. She ...

Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own Sun. In the popular Avatar movies, this star's system is home to ...

The recent discovery of a potential gas giant circling the nearby star Alpha Centauri A has led to speculation that it may be orbited in turn by a habitable moon that could support life, just like in ...