On June 28 NASA's Cassini spacecraft passed by Tethys, a 1,062-kilometer (662-mile) -wide moon of Saturn that's made almost entirely…
The Moon may not have ever had liquid water on its surface -- despite the use of the term mare,…
Shackleton crater on the Moon’s south pole has been somewhat of an enigma, as its permanently shadowed interior has made…
Humans haven't set foot on the Moon -- or any other world outside of our own, for that matter --…
[/caption] Here's a quick look at one of my favorite cosmic photo subjects - the varying layers of atmosphere that…
Astronaut Don Pettit continues to 'wow' us all with his photographic exploits. In this great timelapse video, not only does…
[/caption] From a NASA press release: With the Moon as the most prominent object in the night sky and a…
[/caption] The May 20 annular eclipse may have been an awesome sight for skywatchers across many parts of the Earth, but it…
[/caption] Don’t say you haven’t been warned. NASA put out an official document today specifying how close any future spacecraft…
[/caption] We asked for 'em, and you sent 'em in: here are great images of the perigee Moon on May…