Mars might have been liveable for thousands and thousands of years longer than beforehand thought earlier than it lastly dried out, scientists consider.The floor of the purple planet was as soon as coated in oceans, lakes and rivers and would have resembled Earth through the earliest aeons of the photo voltaic system. It raises the tantalising prospect that easy life might have developed in Martian waters and thrived, however not for lengthy sufficient to have developed into complicated organisms.Theories recommend that any nascent life on Mars is prone to have been killed off when liquid water vanished from the planet’s floor greater than three billion years in the past.• Will people go to Mars? Tim Peake says by the top of the 2030sThere are competing concepts about the place the water