Featured in icy worlds
Pluto’s frozen heart may hide an ocean inside
The heavy heart may have tipped the world over
Zooming In On Pluto And Its Moons
The latest and greatest images from the New Horizons mission
How a ‘Farm Boy’ Found Pluto 85 Years Ago
Popular Science goes way back
There’s Salt Water On The Surface Of Europa, Which Could Be Good News For Extraterrestrial Life
The moon's thick ocean may derive energy from chemicals donated by nearby Io.
Check Out The Most Richly Detailed Image Ever Taken Of Uranus
The images are the highest-resolution ever taken in the near infrared range. It looks much more active than when Voyager flew past in 1986.
New Report Urges Extreme Caution Against Infection When Landing on Alien Worlds
As Earth humans begin to seriously consider sending missions to icy worlds like Europa and Enceladus, one of the necessary...