Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this close origin.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

A 4-billion-year-old volcano? New research finds that Io, the solar system’s most volcanically active moon, can brag just that. A recent study of Io’s sulfurous atmosphere suggests that Jupiter’s moon ...

Around 4 billion years ago, an asteroid hit the Jupiter moon Ganymede. Now, a researcher realized that the Solar System's biggest moon's axis has shifted as a result of the impact, which confirmed ...

A team of scientists at the Southwest Research Institute, using photography commissioned from NASA's James Webb Space Telescope, have discovered a previously unknown moon in our solar system that's in ...

Io is the most volcanic body known to science, and researchers have puzzled over its history for years. A new report suggests it was born this way. This image revealing the north polar region of the ...

If you look up on a clear night, the brightest and largest object in the sky will probably be the moon. And unless you have a decent telescope, it is the only natural satellite you can see with your ...

Click to enjoy a journey across our spacious solar system courtesy of Josh Worth. How do you picture the solar system? Most of us imagine the eight planets as colorful balls of varying sizes moving in ...

New research suggests Earth's Moon formed from the catastrophic collision of our planet with its "sister" planet, Theia, born nearby. This "sibling" planet theory, supported by iron isotope evidence, ...

Five worlds in the solar system have active volcanoes (those that are currently erupting or have erupted in human history): Earth, Jupiter’s moons Io and Europa, Neptune’s moon Triton, and Saturn’s ...