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

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show ...

NASA has been monitoring a never-before-seen planet in its solar system, which is eight times the size of Earth. The ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

The solar system consists of 8 planets, including Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Each planet has its own unique characteristics, such as size, composition ...

EDINBURG, Texas (ValleyCentral) — If you needed a sign from the cosmos, the planets are in fact aligning for you this evening. ValleyCentral spoke to Christian Hernandez, Program Specialist at ...

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in February.

Mercury takes only 88 Earth days to orbit the sun.