Cassini spacecraft data has been used to create the infrared views of Saturn's moon Enceladus. "Reddish areas indicate fresh ice," according to NASA's Jet Propulsion Laboratory. Credit: Space.com / im ...

Notably, hydrogen could serve as a potential energy source for microbial life — much like it does at Earth’s hydrothermal ...

The pH scale is a measure of how acidic or alkaline something is, 1 being highly acidic, 14 being highly alkaline, and 7 ...