Where were you last Tuesday, May 6, just after sunset? If you had swept your binoculars' view across the western horizon at the time, you may have noticed an interesting sight - a "meeting" of celestial bodies. That's right, the planet Mercury and our moon seemed pretty much intertwined. More about the phenomenon in the full article after the jump.

Some of the other planets in the solar system have several moons, while the Earth only has one. If you envy other planets because of this fact, then here's something that may soothe your anxiety: the Earth may have had several other moons in the past. Hit the full article to find out exactly why.

Ever since this blogger can remember, it seems that the human race has been searching for life on other planets - such as Mars.  While the prospect of actually finding it may be exciting for some, it isn't quite the same way for others.

How come? It has something to do with what writer Nick Bostrom calls The Great Filter. Turn to the full article after the jump as we filter out the news.

Mars' climate system was often thought to be dormant, but new research says otherwise. Scientists observed that some glaciers in the red planet have actually been moving in the last 10 to 100 million years, and that could be an indication that Mars' climate is still active. Get the real deal when you digest the full story.

Before, scientists have held the belief that we'll need to send a lander to dig on the surface of other celestial bodies to figure out what their subsurfaces are composed of. Recently though, they figured out a way for explorers to retrieve this information without even having to land. Details after the "read more" link below.

Humans are making large developments toward the realization of their outer space dreams. There is one thing that stands in the way, however: cosmic rays. Created from many elements including hydrogen and uranium, there's a possibility that cosmic rays may pose a great health risk to astronauts. More in the full article.

If you're wondering just how the Stickney Crater on Phobos looks like in glorious next-gen 3D, you'll be happy to know that NASA has just granted your wish. In full color and in its full glory, the Stickney Crater is nine kilometers worth of pure astronomical terror. Check it out in the full article and see what it means to you.

If you were wondering just why we haven't yet stepped foot onto Mars, here's quite the revelation: it seems that a certain dangerous element that all astronauts are exposed to whenever they reach orbit is stopping NASA from getting there. And no, it's not space gremlins or anything like that. All the perplexing details in the full article.

If you're a robot like NASA's Mars Exploration Rover Spirit, getting shut down because of a budget cut would certainly suck, considering that you just aided in discovering something as valuable as a habitable niche on Mars. It's a good thing that the NASA robot was spared of that fate, however - or was it? Read the two conflicting statements from NASA for more details.

Some of you may think that women and cars don't mix, but NASA begs to differ. On a recent NASA mission driving the Mars Exploration Rovers, an all-women team took the driver's seat in honor of Women's History Month. More details in the full article.