Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...

That’s also true for the other moons that provide the gravitational stress. As a result, the internal oceans may actually come and go, as the interiors of the moons melt and refreeze. A new study, ...

Irish planetary scientists have christened a spider-like feature on Jupiter's icy moon Europa as "Damhán Alla," which ...

According to researchers, the composition of a planet or celestial body holds the entire story of its formation and origin.

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

"During the early solar system's game of cosmic billiards, Earth was struck by a neighbor,” said Dauphas. “It was a lucky shot. Without the moon's steadying influence on our planet's tilt, the climate ...

This video explored Verona Rupes, the tallest known cliff in the solar system, located on Uranus’s tiny moon Miranda. It ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon, came from closer to the sun. Artist’s impression of the collision between ...

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, ...

Saturn shines near the half-lit moon at sunset on Nov. 27 ...