A giant impact crater on the moon may contain primordial pieces of the lunar mantle and remnants of an ancient magma ocean, ...

Furthermore, the findings bolster the theory that the moon formed when a giant, Mars -size protoplanet slammed into the young Earth about 4.5 billion years ago and sent a cascade of debris into orbit ...

The rocky moon, which was first discovered by the ancient astronomer Galileo in 1610, is named for a mythological woman transformed into a cow during a marital dispute. Because Io is so close to ...

May’s night sky is packed with astronomical events—find out when and where to look for meteor showers, ancient star clusters, ...

India's Chandrayaan-3 and China's Chang'e-6 missions have independently discovered primitive lunar mantle materials near the Moon's South Pole-Aitken basin. The Indian study, through in-situ ...

The nearside, covered in ancient deep impacts and volcanic flows ... by now-solid lava that welled up through the wound in the moon's surface from the mantle below, like blood oozing from a ...