Astronomers finally spotted evidence of auroras on Neptune after years of searching, raising new questions about the planet.

"These objects really could be anywhere in the solar system at any given time." One million alien visitors from another star system could already be lurking in the solar system. We aren't talking ...

A team of researchers used the James Webb Space Telescope to uncover new details about SIMP 0136, a free-floating planet in ...

What can Venus-like exoplanets, also known as exoVenuses, teach us about our own solar system and potentially finding life ...

Direct rotation and revolution of satellites on ... be developed that would bear a strong resemblance to the existing solar system. The resisting medium itself would gradually degenerate and ...

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the indisputable frontrunner for having the most moons in our solar system.

Our solar system passed through a vast wave of gas and dust around 14 million years ago, dimming Earth’s view of the night sky. The wave may even have left traces in our planet’s geological ...