Interested in almost anything mechanical, Tommy has written about everything from bicycles to politics. He uses his Himalayan 411 for absolutely everything and hasn’t cleaned it in two years. - Just ...

"We're not certain if having widespread liquid pockets instead of a global ocean makes Titan more or less habitable." When you purchase through links on our site, we may earn an affiliate commission.

Among the solar system’s hundreds of known moons, few are as enticing as the handful that scientists believe have a global ocean lurking below their crusty surface. But two of these hidden oceans may ...