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.

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

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 ...

The origin of the differing tilts in the orbits of the planets in our solar system may have been revealed through the ...

Scientists have discovered that meteorites on Earth, containing tiny molten droplets called chondrules, reveal the formation of Jupiter 4.6 billion years ago.

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 ...