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 ...
The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...
The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...
Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...
It’s amazing to think that when you look up at these planets, you’re peering into the vast expanse of our solar system. Each planet orbits the Sun at vastly different distances—Mercury sits ...
Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.
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 ...