Players maneuver the chariot holding the king's coffin through a series of underground environments that showcase physics based gameplay. (dagersystem.com)
Curiosity is climbing a layered Martian mountain and finding chemical evidence of how ancient lakes and wet underground environments changed, billions of years ago, in ways that affected their potential favorability for microbial life. (sciencedaily.com)
But conditions could be much more benign in underground environments such as caves or lava tubes, providing potential refuges for microbes. (space.com)