Latest Articles & Videos
The icy giant worlds Uranus and Neptune are the least studied planets in the Solar System. Of all the space probes, only Voyager 2 visited them, and their great distance from the Sun (and...
Gone are the days of being able to count the number of known planets on your fingers. Today, there are more than 800 confirmed exoplanets -- planets that orbit stars beyond our sun -- and...
At this early stage in the search for extraterrestrial life in our solar system and beyond, the emphasis is on liquid water. Where it can exist on a planet’s or moon's surface, so the...