Astronomers have recently detected a colossal object at the edge of our solar system, sparking excitement and curiosity ...

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

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.

The James Webb Space Telescope has uncovered something about the interstellar comet that's never been observed before, ...

– Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in our solar system. This happened about 4½ 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 witnessed the early formation of a solar system for the first time.

One of the oldest meteorites ever discovered, the 4.6 billion-year-old Erg Chech 002, could reveal vital information about the formation of the solar system.

Star systems—including our own Solar System—form from protoplanetary disks of gas and dust, and models assume that the properties of these disks are influenced by their stars.

Where is our solar system’s super-Earth? The planets astronomers see often around other stars are strangely absent from our own solar system. We’re still figuring out why.

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being.