Terrestrial planets include Mercury ... They are sometimes called gas giants because they are large and made mostly of gases. Small amounts of rocky materials are only found deep in the cores ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

A year on Uranus is 42,718 Uranus days long! Between the orbits of the terrestrial planets and the gas giants, there are millions of asteroids – rocky objects that orbit the Sun and vary in size ...

Astronomers discovered the exoplanet in 2016, a gas giant that’s slightly larger than Jupiter with a fraction of its mass, ...

These situations allows scientists to investigate the usually hidden interiors of terrestrial worlds. Two teams of astronomers, including the observed planet's discoverers, now intend to join up ...

We also got important quality-of-life updates like inventory sorting in the Worlds Part 2 update.

Geochemistry is the study of the chemical composition of the Earth and other planets, and the chemical ... Analysis of the sulfur composition of gas emissions at Campi Flegrei in Italy suggests ...