Most astronomers agree there are only four terrestrial, or rocky, planets in our solar system, all of which lie close to the sun. But new research suggests that up to five more may be lurking at the ...

Looking at the Solar System, Jupiter and Uranus both have plenty of irregular moons. In supercomputer simulations, the ...

After being thrown through space by a solar flare, Astrodude questions the reality of the universe, encountering talking planets along the way. This episode of SolarBalls features space animations tha ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. By Katherine Kornei If our species manages to hang on ...

A computer visualization maps small bodies in the solar system that are expected to be observed by the Rubin Observatory during the 10-year Legacy Survey of Space and Time. Red indicates near-Earth ...

This figure illustrates the formation and numerical replication of barred olivine, a unique crystalline texture found in chondrules within meteorites. (a) A polarized light micrograph shows a natural ...