The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

The discovery points to what astronomers have thought for decades, that Saturn's rings were caused by a massive collision ...

Firefly Aerospace on Monday announced the conclusion of its Blue Ghost lunar lander mission, declaring it the first “fully ...

The moons are only a few kilometers in size. Saturn has more moons than ... further solidifying the planet as the "moon king" of our solar system. Astronomers from Taiwan, Canada, France and ...

is considered a moon. Mazrouei says many of the moons surrounding other planets in our solar system — including the ones observed here — are in fact only a few kilometres across in size and ...

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

A mission to survey the results of a deliberate crash between an asteroid and a NASA spacecraft has taken stunning images of ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

By comparison, Mercury, and Venus are moonless, Earth has one moon ... by their host planet early on in the history of the solar system. “These moons are a few kilometers in size and are ...

The ringed planet's moon count has nearly doubled with the official ... "These moons are a few kilometers in size and are likely all fragments of a smaller number of originally captured moons ...

An international team of astronomers working with the Canada France Hawaii Telescope have discovered a whopping 128 more ...

Saturn has left its former rival in the dust with a new total of 274 moons, almost twice as many as all the other planets ...