Stargazers will be treated to a dazzling six-planet "alignment" this January.

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

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

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

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

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

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

Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century ...

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

2025 is starting off with a bang for skygazers, with a planet parade now visible in the night sky. A planet parade is when ...

In the early evening, look to the southwest and you'll see Venus (the brightest object in the sky after the Sun and Moon) and ...