By Josef Borg

If you were to travel back in time to Earth’s distant past, about three billion years ago, you would find a planet bearing barely any semblance to today’s world. A toxic atmosphere primarily composed of methane swathed our planet as its surface, devoid of liquid water at the time, was incessantly bombarded by small asteroids. While time travel evades our current realm of possibilities, we do have a replica of this past, primordial Earth right in our cosmic backyard!Continue reading