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 ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...

New observational data from the James Webb Space Telescope and simulation models have confirmed a new type of planet unlike ...

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

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the ...

Sometimes, it's easy to forget that we're spoiled with one of the best observatories in our solar system, and it's called ...

Mars is known as the 'Red Planet.' Learn about its reddish hue, caused by iron oxide, its position as the fourth planet from ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

This month offers incredible views of six planets, including Venus-Saturn conjunction. See the dates for all of 2025's ...

On the evening of February 28, stargazers will witness a rare celestial event: an alignment of seven planets visible ...