4 trends tracked about this subject — the full history, oldest to newest below.
Scientists and SETI researchers are proposing a mission to search lunar soil for microscopic technosignatures and alien debris.
5 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
Avi Loeb suggests the discovery of methane signatures on the interstellar comet 3I/ATLAS may indicate the presence of organisms.
Scientific analysis examines the physical and theoretical barriers preventing alien civilizations from visiting Earth despite the possibility of their existence.