Finding alien life with light signals
Scientists compared light reflected from Earth to light reflected from Mars, and found that planets with life produce more complex,…
Tag: biosignatures
Could we find DNA on Mars?
Scientists used a highly sensitive DNA sequencing method to identify microbes from rock samples exposed to radiation levels equivalent to…
Stellar flares could masquerade as life on exoplanets
Astronomers tested whether energy bursts from stars could artificially elevate typical “biosignature” gases on exoplanets.
Could we find evidence for life in fool’s gold?
Scientists looked for biosignatures in fool's gold from a Mars-like environment . They found small filaments within the rock that may once…
When life detoxifies itself, it leaves behind a helpful sign
Scientists found that a methylated gas produced by life as a waste product of detoxification could serve as a remotely observable sign of…
How biology writes its signature
In recent decades the search for extraterrestrial life has seen major advancements in technology and methodology. The search for…