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

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

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

For a few brief evenings around February 28, every planet in our solar system will be visible at once, with Mercury making a ...

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

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

The alignment of seven planets in the night sky has captivated observers for centuries, inspiring awe and curiosity. This ...

This occurs when the planets' positions in their elliptical orbit around the sun line make them seem like they are close in ...

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

Astronomy fans know 2025 kicked off with a meteor shower, but another big spectacle is coming up that should be on your radar, too. Here’s what to look forward to and how to watch ...

The seven planets will not be perfectly aligned, but will appear in an arc across the sky due to their orbital plane in the ...