The formation of the Moon may have come harder on the heels of Earth's birth than we thought. According to a new analysis by researchers from the US, France, and Germany, Earth's constant companion ...

(CNN) – The moon may be 100 million years older than planetary scientists thought. The moon has long been thought to have formed roughly 4.35 billion years ago after a Mars-sized object collided with ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to ...

Tides come from a difference in gravity across an object. The force of gravity exerted by the Moon is about 4% stronger on the side of Earth that faces toward the Moon, compared to the opposite side ...

About 3.8 billion years ago, two massive canyons likely formed on the moon in a span of less than 10 minutes, according to new research. The extraordinary formations, each comparable in size to ...

That timeline is based on analysis of lunar rock samples from NASA’s Apollo missions. New research suggests that the moon formed earlier and that it then experienced a dramatic “re-melting” event at ...

The moon may be more than 100 million years older than some scientists previously thought, according to a new study. The research, published Wednesday in the journal Nature, challenges the ...