In a spectacular cosmic event, Earth is about to get a "second moon" this fall. An asteroid passing through the Earth will be pulled by its gravitational force. This “second moon” will ...

Most of the time, the full moon isn't perfectly full. We always see the same side of the moon, but part of it is in shadow, due to the moon's rotation. Only when the moon, Earth and the sun are ...

Over time, it cooled and clumped into a single massive body—the moon. That impact didn’t just create a satellite; it helped define Earth’s structure, tilt, and rotation. Clues about this ...

Have you ever wondered where Earth’s moon ... The areas near the moon’s north and south poles are likely to experience even lower temperatures because they do not get much sunlight.