Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...
Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...
When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...
Gravity provides the force needed to maintain the stable orbit of planets around a star and also of moons and artificial satellites around a planet. The moons around planets in the Solar System ...
Reintroducing Hawaii's sacred crow, how desert ants find their way, pterosaurs paddle-like tails, and how gophers rebuild ...
The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun ...
All the planets in the solar system orbit the sun on the same plane and in the same direction — west to east. That's called prograde motion. Mercury is constantly racing around the sun ...
The Sun is the largest object in the Solar System. The Sun’s huge gravitational field keeps many other objects – planets, dwarf planets, asteroids and comets – in orbit around it.