"How and where particles are accelerated in the jets of supermassive black holes has been a long-standing mystery." ...

The idea that Saturn's rings are young seemed very strange in the context of the solar system's long evolutionary history." ...

Starspots in general can last from days to months, and can migrate across the surface of their star. Tracking the behaviour ...

Known as the Cold Moon, December’s full moon earned its name from the long, frigid nights of winter in the Northern ...

SpaceX plans to launch two communication satellites to orbit from Florida's Space Coast today (Dec. 17). A Falcon 9 rocket is ...

Mars has now risen to the rank of the fifth brightest object in the pre-midnight evening sky, rivaled only by the moon, Venus, Jupiter and the brightest of all stars, Sirius.

Isaacman's nomination to serve as the next administrator of NASA came on Dec. 4. Donald Trump, in his first space-related ...