Could Life Still Be On Mars? | Aliens: The Big Think | BBC Earth Science

Biology's early emergence on Earth offers that life might've formed elsewhere in our solar system. Could it be on Mars?
Taken from 'Aliens: The Big Think' (2016)
The hunt for aliens is on! After a distinguished career in cosmology Professor Martin Rees, the astronomer royal, has taken up the search for extra-terrestrials. Looking for aliens is no longer science fiction - it is a question that's engaging some of the greatest minds in science. As our knowledge of the universe has increased, we're getting closer to answers. Many scientists now think we live in galaxy with a billion Earth-like planets, many of which may be teeming with life. But what kind of life?
#universe, #perfect universe, #galaxy