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 ...

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

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

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

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

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

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

Mercury, the closest planet to the Sun, completes an orbit – a year for the planet – in 88 days. Earth's year, of course, is 365 days, while at the upper end, Neptune takes a whopping 60,190 ...

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