The name of Dr Nikku Madhusudhan exploded in the public domain with his breakthrough research on a planet named K2-18b. What made the announcement significant was his assertion that his team has found the most promising sign yet of a possible biosignature outside the solar system. “This is the strongest evidence yet there is possibly life out there. I can realistically say that we can confirm this signal within one to two years,” said Dr Madhusudhan.This could be one of the most significant discoveries in the history of science...