The finding that fluid water has persisted on top of Mars over very long periods provides hope that life arose here, and that it discovered ways to conform to harsh conditions, which changed whilst the surface water disappeared.

The finding that fluid water has persisted on top of Mars over very long periods provides hope that life arose here, and that it discovered ways to conform to harsh conditions, which changed whilst the surface water disappeared. “Life is a type of planetary pest,” says Schulze-Makuch. “An infestation, once began, is extremely tough to … Read more