Why Methane Can Be A Sign Of Life Outside Of Earth? - Worldatlas.com

Although methane isn’t overly common in the Earth’s atmosphere, it plays a vital role in our planet’s atmosphere.

Regardless of who we are or where we come from, everyone at some point in their lives ponders whether or not life exists beyond the Earth. For the first time in human history, we now possess the info… [+4042 chars]

full article...