Robotic spacecraft can gather a lot of data, and sometimes it takes years to sort through all the information acquired.…
Greetings, fellow SkyWatchers! Are you ready for a great dark sky weekend? Then it's time to walk into the galaxy…
The ionosphere is the final layer of atmosphere before space. This highly dynamic region is constantly exposed to the full…
Mercury is a terrestrial planet, like like all of the 4 inner planets: Mercury, Venus, Earth and Mars. It's the…
The surface of Mercury is marred by an impressive number of craters. The cratering is deeper than on most terrestrial…
The symbols of the planets, Moon and Sun are used in both astronomy and astrology. The symbol for Pluto is…
Can a planet like Earth be considered a single living organism? After all, the human body is composed of hundreds…
Steve Squyres and the Mars Exploration Rover team knew from the beginning that dust could cause a problem for the…
It's fairly certain that the Mars Polar Lander and the Beagle lander crash landed on Mars, never to be heard…
The past couple of weeks we've had a 'mystery' image, and asked our readers to guess what world in our…