Astronomy fans know 2025 kicked off with a meteor shower, but another big spectacle is coming up that should be on your radar ...

January started out with a meteor shower and now has a planetary alignment in store. Here's what you'll be able to see and ...

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

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

Six planets of our solar system would form a beautiful arc as they align in the same area producing a spectacular view that ...