There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...

T he Solar System has just gotten a new official member. Currently, with the name of 2017 OF 201, this is a trans-Neptunian ...

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

Saturn's Moon Titan Could Harbor Life, but Only a Tiny Amount, Study Finds Apr. 7, 2025 — Despite its uniquely rich inventory of organic molecules, Saturn's largest ... planet outside the solar ...

Astronomers have found new evidence that a mysterious ninth planet may be hiding at ... to fit the description of a distant world pulling on the solar system's icy belt beyond Neptune.

When you buy through links on our articles, Future and its syndication partners may earn a commission. For decades, scientists thought that Vesta was a protoplanet rather than an asteroid.

These results are another example of how planetary systems can be different from our solar system ... The largest study of its kind, this work has about three times more planets and includes ...

Vesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new study hints.