What is a brown dwarf star? These formations often defy classification, blurring the line between planets and stars.

Scientists have proposed a fascinating new idea: Earth may have once possessed a ring system, akin to that of Saturn. These ...

Because they're surrounded by foul-smelling gases that are incompatible with the human sense of smell, living on the surface ...

Snapchat Friend Solar System is a premium feature that lets you visualize your closest friends as planets that revolve around ...

A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests.

Now, however, Pluto and that part of the solar system has moved away from the backdrop of the Milky Way into a sparser region of the night sky. With its Hyper Suprime-Cam (HSC), Subaru has discovered ...

Exoplanets in binary star systems usually orbit both stars, but astronomers have now spotted three planets orbiting one or ...

Astronomers have found evidence of a process that supports an alternative, more rapid approach to planetary formation, more ...

The ring might have acted like a giant sunshade, causing a cooling effect that might have unleashed an ice age.

In a discovery that challenges our understanding of Earth's ancient history, researchers have found evidence suggesting that ...

A star’s flyby likely altered the orbits of trans-Neptunian objects beyond Neptune that changes how we view the solar ...

The mini-moon, an asteroid called 2024 PT5, was spotted by the Asteroid Terrestrial-Impact Last Alert System (ATLAS) on Aug.