Possibly one of the best-known constellations in the northern sky, Ursa Major—or the Great Bear—contains an asterism of seven ...

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

Messier 87 (M87), also known as Virgo A or NGC 4486, is a supergiant elliptical galaxy in the Virgo constellation. It is one ...

Mark your calendars for the rare total lunar eclipse, as the Moon, Earth, and Sun align to create one of the most ...

NASA released six stunning images from the Hubble Telescope showcasing interacting galaxies, including the chaotic beauty of ...

From planets and constellations, to eclipses and the Aurora Borealis, here's what to look for in the sky this spring ...

Around midnight tonight in the east, a 55%-lit waning gibbous moon will be just a tenth of a degree from Spica, the brightest star in the constellation of Virgo and about 250 light-years distant.

These two next weeks offer all but one of the planets in lovely view at nightfall. Fred Schaaf goes step by step through the ...

It's a regrettable reality that there is never time to cover all the interesting scientific stories each month. In the past, ...

Thanks to NASA's Hubble Space Telescope, we can now dive deeper into our home galaxy. From dazzling star clusters to swirling nebulae, these stunning images reveal the Milky Way’s hidden beauty.