“Radical mundanity” could explain why we haven’t met aliens
In response to the question, “Where are all the aliens?”, one astronomer argued that, if they are similar to humans, they may have faced…
Tag: extraterrestrial life
Are aliens receiving radio signals from Earth?
Scientists calculated the maximum distance at which extraterrestrials with modern human-level technology could detect radio signals from…
Lava tubes contain unknown “microbial dark matter”
Researchers discovered lava tubes on Mauna Loa containing previously unknown microorganisms with metabolisms and communities that could…
Stellar flares could masquerade as life on exoplanets
Astronomers tested whether energy bursts from stars could artificially elevate typical “biosignature” gases on exoplanets.
Could “iron snow” fuel life in Europa’s ocean?
Scientists calculated that microorganisms breathing iron oxide “snow” could produce enough energy to survive on Jupiter's icy moon…