MRO Spies Tiny, Bright Nucleus During Comet Flyby of Mars
Not to be outdone by the feisty Opportunity Rover, the HiRISE camera on NASA's Mars Reconnaissance Orbiter (MRO) turned in…
Water On The Moon Was Blown in by Solar Wind
When they first set foot on the Moon, the Apollo 11 astronauts painted a picture of the landscape as a…
Video: Fly Over a Weird Landscape on Mars in 3-D
This isn't quite like Luke's trench run in the Battle of Yavin, but it's waaay more awesome in that this…
Awesome Photo Shows Monster Sunspot Aiming Our Way
It's a-comin': a "monster" sunspot is steadily rotating around the Sun's southern hemisphere and will soon be in position to fire…
How to Safely Enjoy the October 23 Partial Solar Eclipse
2014 - a year rich in eclipses. The Moon dutifully slid into Earth's shadow in April and October gifting us with two…
What Would A Black Hole Look Like?
If you could see a black hole with your own eyeballs, what would you see? Here on the Guide to…
Titan’s Majestic Mirror-Like Lakes Will Come Under Cassini’s Scrutiny This Week
There's a very early-stage NASA concept to take a submarine and dive into a lake of Titan, that moon of…
Opportunity Rover Spots Comet Siding Spring from the Surface of Mars!
It looks like NASA's hard-working Opportunity Rover nabbed our very first pictures of a comet seen from another world! A…
How Rosetta Will Send Philae Lander To Comet’s Surface (Plus, Landing Site Contest!)
The Philae spacecraft has a tough job ahead of it on November 12: it is slated to make the first…
Zap! Saturn Moon’s Electron Beam Beaned Cassini Spacecraft From Charged Surface
Ever taken a balloon and rubbed it against your hair? That's an example of electrostatic charging, which you see as…