a yellow dwarf star that contains 99.8% of the solar system's mass. Everything else — from the eight major planets to dwarf planets, comets, asteroids, and icy objects — revolves around it.

A new study, however, identifies a possible candidate. A separate team of astronomers compared 1983 data from the Infrared ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Mar. 17, 2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ... Webb Telescope Captures Its ...

For years, astronomers have been searching for a ninth planet in our solar system (after giving Pluto ... in the opposite direction than the other eight planets. According to his models, to ...

One set of dots had matching colors and brightness. open image in gallery Is there a possible ninth planet in our solar system? Researchers say they may have found a candidate (Credit: ESO/Tom ...

NASA’s Lucy spacecraft captures asteroid Donaldjohanson, marking a new step in its mission to explore the solar system’s ...

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...