French scientists speculate that ancient Mars was crawling with bacteria that ultimately led to the planet's glacial period

French scientists announced on Monday that the subsurface realm of ancient Mars may have been teeming with microscopic creatures because of the planet's hospitable atmosphere.

Scientists believe that basic life forms on Mars would have drastically affected the planet's climate, leading to a catastrophic ice period and eventually wiping itself out.

This research paints a gloomy picture of the cosmos and its workings.....