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

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the mystery of why no ringed moons exist today.

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a host of other puzzles connected to the solar system's deep past ...

However, even some dwarf planets and asteroids have rings, but none of the roughly 300 moons in the solar system have been found to have rings. A detailed simulation to solve this mystery has ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

This provides another piece of the puzzle to understand how planets and ... reshape our understanding of the Earth-Moon system and the broader solar system. The ... Dec. 18, 2024 — Scientists ...

A planet parade is when several of our solar system's planets are visible in the ... Read more: Full Moons Explained, From Blue Moons to Supermoons to Lunar Phases You won't have to wait long ...

"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really ...