RADARSAT image of Lake Vostok, Antarctica. Scientists have discovered more than 3,500 unique gene sequences in Lake Vostok – the underground Antarctic water reservoir isolated from the outside world for 15 million years – revealing a complex ecosystem far beyond anything they could have expected. “The bounds on what is habitable and what is not are changing,” said Scott Rogers, Bowling... 

It seems that Curiosity, a Martian rover, managed to find evidence that proves that there used to be a lot of water on the Red Planet. The discovery means that that there could be life on Mars as well. The images obtained with the help of telemetry show a river channel or streams among rocks. Researchers are studying the images, trying to determine the parameters of an ancient water reservoir. The...