Modern Engineering Marvels on MSN
Could life on Earth have arrived from the stars? Scientists are taking the question seriously
Life on our planet emerged quickly or, at least, it did so on a geological timescale. Fossils reveal that micro-life existed on our planet at least 3.5 billion years ago. The rapid emergence of life ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback