How Did the Solar System Form? The tale of our sun may begin with another star: a predecessor whose fiery death brought about the birth of our solar system.

Ancient droplets found in meteorites reveal the history of planet formation. About 4.5 billion years ago, Jupiter expanded quickly into the giant planet we see today. Its immense gravity disturbed the ...

Over four billion years ago, the solar system was a wild and dangerous place. Swirling clouds of dust and gas slowly turned ...

Tour of Our Solar System Tour of Our Solar System Embark on an immersive journey through our solar system, from the huge mountains on Mars to the swirling clouds of Jupiter and more! We’ll explore the ...

The textbook picture of how planets form—serene, flat disks of cosmic dust—has just received a significant cosmic twist.

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

A team from Nagoya University in Japan and the Italian National Institute for Astrophysics (INAF) have used a new method to ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

Four and a half billion years ago, Jupiter rapidly grew to its massive size. Its powerful gravitational pull disrupted the ...