A new theory of the solar system's formation provides an alternative to the idea our system formed from a supernova.

Researchers have laid out a new, comprehensive theory for how the solar system formed — inside the bubble of a long-dead, giant star.

When most of us learn about the solar system, it seems like a pretty well-ordered place. Our Sun formed first, about five billion years ago, and the planets appeared a little later. As a very ...

In comparison, outer Solar System planetesimals formed later and therefore experienced substantially less internal heating and therefore limited iron core formation, and volatile release.

'Little Bang' Triggered Solar System Formation Date: October 3, 2008 Source: Carnegie Institution Summary: For several decades, scientists have debated whether the Solar System formed as a result ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new view of the solar system's early days proposes that the first two kinds of solid ...

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

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

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system.

Standard planet-formation models have been unable to reconstruct the distributions of the Solar System's small, rocky planets and asteroids in the same simulation. A new analysis suggests that it ...