The object, the latest “quasi-moon” detected by astronomers, could be with us for almost another 60 years. By Robin George Andrews The Earth stands alone in the solar system as a habitable world, as ...

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

A pairing-off of the brightest planet and a slender crescent moon will be the chief celestial attraction in the dawn sky ...

I love to go for a walk with my dog. Sometimes we see the moon in the sky–even though it’s daytime. I asked my friend Michael Allen why that happens. He’s an astronomer at Washington State University.

The moon and sun put on a magnificent show on Sept. 21 when a dramatic partial solar eclipse darkened the sky over a swathe of the Pacific ocean, transforming the disk of our parent star into a ...