Mars will seem to disappear behind the full wolf moon Monday for many sky-gazers. Throughout January, also look up to see ...

In Boston and surrounding towns, this phenomenon will occur between 9:26 p.m. and 10:42 p.m. (disappearance and reappearance times). While it will be easy to see the moon and Mars early in the evening ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Deimos is Mars' outer moon. It's a tiny, irregularly shaped moon and smaller than Mars' other moon, Phobos. Despite being unspectacular, Deimos remains a fascinating mystery. Deimos is one of only ...

Last week, a full moon lit up the sky but it was another celestial moment, one that's more rare, that wowed sky-gazers and ...

Earth’s nearest neighbors will be on display in the night sky and inside the Cincinnati Observatory during Nearest Neighbors Night on Saturday, February 1. This event will focus on the three celestial ...

On Jan. 13, a lunar occultation of Mars was visible from various parts of the world. During this celestial event, the Moon ...