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

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

Stargazers can witness a rare 'planet parade' in January and February 2024, where six planets align prominently in the night ...

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

An alignment of six planets will dazzle in January 2025. Venus, Mars, Jupiter, Saturn, Uranus and Neptune will align in the ...