Space Photo credit:
The Viking landers in the 1970s (image from Viking 2 shown) performed the only extensive search for life on Mars to date. But were they looking for the wrong thing? NASA.
It is looking increasing unlikely that we are alone in the universe, but our current theories for extraterrestrial life are based on one key condition: It will probably be similar to that on Earth, which is reasonable to assume, as it’s the only type of life we know to exist. But what if it can exist beyond these limitations?
Published on August 27, 2015 12:20