See footage Orion Spacecraft, moon and Earth shortly before its "outbound powered flyby burn". Orion was less than 2000 miles ...

Earth is perfectly safe from a menacing asteroid known as 2024 YR4 that is big enough to level a city, but the moon? Not so ...

A micromoon is set to occur Saturday as the full moon for April is set rise when the celestial body is at its farthest point from Earth, about 251,000 miles away according to NASA. Saturday's full ...