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 ...

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

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

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

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

Smithsonian researchers analyzed fragments of the near-Earth asteroid and discovered water-rich clays that hint at a distant origin ...

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

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

NASA’s OSIRIS-REx samples from asteroid Bennu reveal stardust, water-driven chemistry, and clues to life’s origins in the ...