Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

A groundbreaking study published in Communications Earth & Environment has called into question the long-standing assumptions ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

“This is a big step in understanding the outer solar system,” said Dr. Rosemary Pike, lead researcher from the Center for ...

Our Solar System is home to eight extraordinary planets, each with its own unique features, mysteries, and beauty. This cosmic journey takes you from the Sun-scorched surface of Mercury to the icy ...

The Sun's expansion into a red giant will engulf the inner planets, drastically increasing temperatures in the outer solar system. The habitable zone will expand to 10-50 AU, potentially making ...

A meteorite, Northwest Africa 12264, is questioning the established timeline of our solar system's formation, suggesting ...

In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds silently loop around their stars. Some drift as far as 10,000 times the ...

There's a new interstellar object moving through our solar system and it's called 3I/ATLAS, according to NASA.

Folks, it's official: the object that astronomers recently spotted blowing through the outer solar system came from ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.