The moon's orbit isn't a perfect circle. Instead, it's more stretched out, kind of like an oval, which means its distance from Earth varies by about 30,000 miles (48,000 km). The surface of the moon ...

HONOLULU (KHON2) — Scientists continue to explore the deep story of how Earth and the moon formed. One idea has gained attention because it pushes us to imagine the planet in its earliest and wildest ...

The moon was formed 4.5 billion years ago in a "giant impact" that left Earth with a two-hour day, according to new research. Scientists have long debated the circumstances which led to the formation ...

A new study of Apollo lunar rocks suggests that the moon is older than anyone believed. The moon, researchers now say, likely formed about 50 million years after the solar system did, which is much ...

Ancient planetary smash that created moon may have formed Hawaiʻi, too Video Scientists continue to explore the deep story of how Earth and the moon formed. One idea has gained attention because it ...