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 ...

Earth will soon have two moons, but not for long. According to a study published in the journal Research Notes of the American Astronomical Society (AAS), the “moon” in question is a celestial ...

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 ...