It's hard to look for signs of life beyond Earth. It's a little easier if we assume that life out there is like Earth life. But what if it isn't?
Researchers discovered computer-led chemical analysis of a sample is a powerful tool for searching for ET biochemistry without making assumptions about it.
Sort of like a fossilized microbial lasagna, fossils called “stromatolites” are formed when layered communities of different types of bacteria trap sand, dirt, and debris in their structure over time. Stromatolites are found in rocks as old as 3.5 billion years, and containing the planet’s earliest life forms.
Humans have always been fascinated with the vastness of the universe and its hidden truths. For ages we have tried to explore and study the sky. The earliest study of the sky involved using the positions of stars to navigate the seas. Slowly, solar and lunar cycles were observed, planets and galaxies were discovered,…