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

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 – ...

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.

Up to seven planets from our solar system could be on display simultaneously, although spotting two of them might require a bit more effort. Over the next month, Mars, Venus, Jupiter, and Saturn ...

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 ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

Stargazers will be treated to a rare alignment of seven planets on 28 February when Mercury joins six other planets that are already visible in the night sky. Here's why it matters to scientists.

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.

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post A Mysterious Object Visited Our Solar System And Altered The Orbits Of Four ...