The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

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

Stargazers will be treated to a dazzling six-planet "alignment" this January.

All of our solar system's planets are lining up to take part in a rare and awesome event in the night sky - this is when and ...

A rare celestial event where seven planets align is visible in the UK skies. Discover how, when, and where you can observe ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

The exoplanet has a radius around 2.7 times and a mass about 8.2 times greater than Earth ... expands our understanding of the diversity of planets (just like this strange object in our Solar System).