Add Yahoo as a preferred source to see more of our stories on Google. The Moon's largest impact feature, the South Pole–Aitken basin, is so named because it stretches between Aitken crater and the ...

On December 12, 2025, a team of astronomers at the Armagh Observatory and Planetarium (AOP) witnessed something truly rare—a brief flash of light on the Moon’s surface caused by a meteoroid impact.

For decades, scientists have held to the idea that the Moon was formed by a single, massive impact between Earth and a Mars-sized body known as Theia. But recent research suggests the truth might be ...