Cassiopeia constellation, gradually zooming rotating image with stars and outlines, 4K educational video Cassiopeia - Animated zodiac constellation and horoscope symbol with starfield space background ...

The Heart Nebula, officially called IC 1805, is a cloud of gas and dust located about 7,500 light-years away in the ...

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

Ursa Major, also known as the great bear, is the constellation visible in the northern skies and can be seen during January to October. Cassiopeia can be easily identified with its distinct W shape ...

A baby grey seal was found in rough shape at a beach in a Delaware state park, photos show. She looked thin and had a large wound on her left side, so rescuers with the Marine Edu ...

The Vernal Equinox occurs on Saturday, March 22 to begin spring in the northern hemisphere. Days and nights will be equally ...

March is the start of spring in the Northern Hemisphere; with that, the hunt for Messier objects can begin!

In celebration of the 29th anniversary of the launch of NASA's Hubble Space Telescope, astronomers used Hubble to capture this festive, colorful look at the tentacled Southern Crab Nebula. Object NGC ...

The Marine Education, Research and Rehabilitation Institute in Sussex County rescued a gray seal pup from Cape Henlopen State ...