Best posts about this topicLoading . . .
The possibility of life on Mars is a subject of significant interest to astrobiology due to the planet's proximity and similarities to Earth. To date no proof has been found of past or present life on Mars. However, cumulative evidence is now clear that during the ancient Noachian time period, the surface environment of Mars had liquid water and may have been habitable for microorganisms. The existence of habitable conditions does not necessarily indicate the presence of life.
No signin required
Sussle is the first, open visual encyclopedia. Anyone can use it.
It has beautiful images and viral videos that are way more fun than reading all the text in traditional encyclopedias.
Just click on the red module above.