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

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

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

Four planets will be in the parade in January, while seven will align in February. Here's how to see the events.

While planets circle the sun in what's called and heliocentric orbit, they rarely fall together in what appears to the human ...

Sky watchers are in for a treat this month as the stars align to give amateurs a shot to see six planets at once.

This type of orbit means any water on the planet would ... are more massive than Earth yet lighter than ice giants like Neptune and Uranus, and can be made of gas, rock or a combination of both.

HELENA — The planets are aligned. Six planets, Mars, Jupiter, Uranus, Neptune, Venus and Saturn can be seen in the night sky.

Venus, Mars, Jupiter, Saturn, Uranus and Neptune will align in the night sky ... This occurs when the planets' positions in ...

Early 2025 is a good time for skygazing and spotting up to seven planets in the night sky – if you have a little help.

Skywatchers: A six-planet alignment peaks this week as Mars, Jupiter, Uranus, Neptune, Venus, and Saturn come together for ...