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

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

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

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

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 ...

A planetary alignment isn't really the best way to describe this sight because the other planet's are always seen along the ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

A rare celestial event where seven planets align is visible in the UK skies. Discover how, when, and where you can observe ...

All of our solar system's planets are lining up to take part in a rare and awesome event in the night sky - this is when and ...

Jan. 15, 2025 — New observational 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 ...