A newly brightening __Comet C/2025 R3 (PanSTARRS)__ is making a striking pass through the inner solar system, reaching its ...

A new study suggests that the comet that rambled past us from another star last year likely originated in a cold, isolated ...

Scientists have long suspected this was a relatively peaceful process, with showers of primordial solids slowly raining out ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The solar system suddenly has a new member. A new object ...

Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close by. Nearly 4.4 million years ago, they swept past at a distance of only ...

Astronomers surveying the outer solar system have revealed that a rare object far beyond Neptune is moving in sync with the eighth planet in an unexpected way. Called 2020 VN40 and first discovered in ...