Amazing reader images of today's transit of Mercury across the face of the Sun from around the world.
A review of last night's spectacular aurora along with a look at tonight's space weather forecast plus a recap of…
NASA GODDARD SPACE FLIGHT CENTER, MD - It’s Mesmerizing ! That’s the overwhelming feeling expressed among the fortunate few setting…
In the northern skies lies the constellation Auriga, one of the 44 described by Ptolemy and one of the 88…
The planet Mars has a highly eccentric orbit around the Sun, and takes a little under two years for it…
It is possible that we could someday transform Ceres, the largest object in the Asteroid Belt, to make it friendly…
If you notice a rise in meteors before dawn now through the weekend, you're not imagining things. It's the annual…
In the coming years, NASA will be launching its Starshade, a large spacecraft that will block the bright light of…
Get set to observe binocular Comet C/2013 X1 PanSTARRS this summer, as it moves from the dawn to the dusk…
Messier 12, a globular cluster located some 15,700 light-years from Earth, is one of the brightest objects in the Ophiuchus…