How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home.

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

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

Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

How did Earth, alone among the Solar System's rocky planets, become the home for life? How, among all this frigid ...

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 ...

Dubbed 3I/ATLAS, it is blazing through our cosmic cul-de-sac at truly awe-inspiring speeds between the main asteroid belt and ...

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

This process, , is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.