Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.
Tardigrades, a type of microscopic animal, can reveal information about how life interacts with simulated Martian mineral deposits. The three images on top are active tardigrades in a typical Earth ...
A new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic molecules discovered on Mars.
A 6.5-foot Mars sand ridge called Hazyview reveals how strong, steady winds once shaped the planet’s surface and soil chemistry.