Life on Mars?
"Those who believe life is common (and have been troubled by theoretical calculations to the contrary) will feel vindicated, and will make much of this in the media.
"But life on Mars may mean nothing more than one of the following:
–It was transported from Earth by the solar wind.
–It was transported by a meteor from Earth to Mars, just as ALH 84001 came to us in the opposite direction.
–God created life on Mars as well as on Earth.