NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a ...

Scientists have long speculated about the possibility of our Sun having a twin star, a theory that has gained traction with recent data. The evidence and implications of a potential solar sibling shed ...

Tidal forces from Earth, Venus and Jupiter may help keep the sun calm, reducing the risk of powerful solar storms that ...

NASA’s Hubble Space Telescope has snapped images of a recently discovered interstellar visitor hurtling through our solar ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system.

Astronomers have discovered a brand new type of planet outside our solar system that, even in its infancy, is already bigger ...

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 ...

The near-Earth asteroid Bennu contains stardust that is older than the solar system and clues about its violent history, ...