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

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

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 ...

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

The crystal-clear images show ... 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 understand ...

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.

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

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

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

Starting up again Saturday, a sweeping view of our solar system will glow in the night sky. The planetary alignment, or a “planet parade” according to the internet, will grace our night sky just after ...