Regardless of whether or not they succeed, their ambitious idea really made us wonder… What would happen if Earth had two moons? Well, it wouldn't be pretty. Imagine the Moon's identical twin ...

This happens when an object (say, an asteroid or a moon) falls within what is called ... Rings tend to form around the equators of planets—so, if Earth had rings, and thus, ring rain, we would ...

New research suggests a moon orbiting the sophomoric-sounding planet might contain enough natural resources to support alien ...

The concentrations of these “volatile” elements are much lower in lunar rocks than in rocks on Earth. One possibility is that the hot impact debris had a long time to evaporate these elements before ...

Its beautiful rings ... had just finished a 13-year stint exploring Saturn and its moons, gathering more information about the gas giant than ever. But the researchers say the lost moon theory ...

The icy moon Miranda is the latest satellite in our solar system to spark hope in the search for life beyond Earth.

scientists calculated the rings had only 100 million years left to live. Now, it’s tough to imagine a ringless Saturn. But for much of its existence, the planet was as naked as Earth.

Imagine the sense of awe if we lived on a planet with rings, something we sometimes see in science fiction movies. Had you been around on Earth 466 ... year a nearly full moon will make observing ...

The accretion hypothesis proposes that the Moon was created along with Earth at its formation. The fission theory suggests Earth had been spinning so fast that some material broke away and began to ...

A recent study points to an exciting possibility: that Uranus's moon Miranda, located in the far reaches of our solar system, ...

monument in Brussels on September 29, 2023. The Moon is at the nearest point in its orbit of Earth during the full Moon. It will also be the year's fourth and final Supermoon. (Photo by Simon ...