Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...

Another display of the northern lights could be visible this weekend in several U.S. states following a severe solar storm.

Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...

Wednesday, February 5 First Quarter Moon occurs at 3:02 A.M. EST. Nearly half a day later, the Moon passes 5° north of Uranus ...

The origin of a mysterious throbbing light racing behind clouds across parts of the northeastern U.S. and Canada over the ...

Explore the seven brightest stars visible to the naked eye Sirius, the brightest star, has a visual magnitude of -1.46. It is ...

Everybody Loves a Cluster with a Nebula This is NGC 2264, the Cone Nebula, and the Christmas Tree Cluster. The bright stars ...