All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

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

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

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Witness a rare celestial spectacle! Seven planets, including Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune, will ...

If you were to perfectly follow the steps in An Idiot's Guide to Making a Solar System, you should eventually find yourself ...

In addition to the hope of a new cycle and new directions for all people, the New Year brings great and good news in the first months of the year for all those who are fond of obse ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago.

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

The research, yet to be peer-reviewed, sheds light on what could have changed the orbits of several planets in the solar ...

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