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

As Earth's ever-present celestial companion, the moon exerts a constant influence on our planet, and its disappearance would ...

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 ...

"If the moon and a planet are near Castor and Pollux you have an impressive show." From our earthly perspective, the moon and Mars will appear closest to each other at around 8 p.

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 ...

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

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

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

But in a wonderful bit of cosmic serendipity, the moon is also 400 times closer to us, which results in the solar and lunar disks appearing to be exactly the same size in our sky, making for a ...