SPACE TECH
Scientists Expand Definitions of Extraterrestrial Life and Alienspotting
Researchers from Washington University challenge traditional assumptions, defining life as anything that transforms energy and replicates.
Moving past traditional sci-fi tropes and standard carbon-based microbial expectations, astrobiology discussions are tackling unconventional forms of extraterrestrial life. Researchers such as Mikhail Tikhonov from Washington University suggest that life may manifest in ways humans might not immediately recognize.
Proposing a radically expanded definition, researchers describe life simply as systems that take in, transform energy, and replicate. This conceptual shift opens new avenues for how deep space signals and planetary biosignatures are detected and analyzed.