A lunar eclipse, which causes the moon to look dark or dimmed, occurs when Earth is between the sun and moon and the three celestial objects line up in a row so that the moon passes into our ...

To spot the celestial 'smiley face,' skywatchers in the U.S. will need a clear view of the eastern horizon in the hour ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under ...

BEIJING -- China has successfully established the world's first three-satellite constellation based on the Distant Retrograde Orbit in the Earth-moon region ... sent into a sun-synchronous orbit ...

Before sunrise on April 25, a slender waning crescent moon will appear left of Venus and Saturn to create the tilted happy face.

THE odds of a "city killer" asteroid that once threatened Earth instead smashing into the moon have just doubled ... He told The Sun: “When we are trying to foresee where an object will be ...