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

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

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

Jan. 21. A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There ...

Mars will be making its closest approach to Earth in two years, and thus, the mighty red planet, named for the god of war ...

This January and February, a rare planetary alignment featuring Venus, Mars, Jupiter, Saturn, Uranus, and Neptune will be ...

Mars, Jupiter, Uranus, Neptune, Venus, and Saturn—will align in a rare celestial parade, visible for weeks. A seven-planet ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago.

On the evening of February 28, stargazers will witness a rare celestial event: an alignment of seven planets visible ...

Since the middle of the month, four of the five brightest planets in the night sky have been visible after sunset and will ...

Although the planets won’t form a perfectly straight line, their simultaneous visibility in a single part of the sky will be ...

Venus, Mars, Jupiter and Saturn are visible to the naked eye this month and for part of February. Uranus and Neptune can be ...