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Extraterrestrial life, or alien life (colloquially, alien), is life which does not originate from Earth. No extraterrestrial life has yet been scientifically conclusively detected. Such life might range from simple forms such as prokaryotes to intelligent beings, possibly bringing forth civilizations that might be far more advanced than humans.
Sep 29, 2023 · Thirty years ago, we had no evidence of planets orbiting other stars. Now more than 5,000 have been discovered, which astronomers and astrobiologists can study in unprecedented detail.
5. Titan. Titan orbits Saturn. It’s a giant of a moon, and is the only moon in the Solar System to have a thick atmosphere that is rich with organic chemistry. Large lakes have been discovered around Titan’s north pole, but these are filled with liquid ethane and methane, rather than water.
Feb 1, 2023 · The search for weird life isn’t actually a search for life, Bartlett argues. It’s a search for “lyfe,” a term proposed in a 2020 article he co-authored in, ironically, the journal Life ...
Mar 18, 2021 · Really, these traits arise almost inevitably from the combination of intelligent skills that we, and presumably other alien species, possess.” It’s beginning to sound like these hypothetical aliens are almost human. Some planets are just going to have simple life on them. Many, maybe even most.
Oct 28, 2023 · The sobering reality is that there isn't any yet. There's no scientific evidence for aliens in the declassified UFO videos, in mutilated cows whose injuries are blamed on extraterrestrial ...
Jun 7, 2023 · For many people, the word “alien” conjures up images of little green men — beings that are at least somewhat similar to humans in appearance. But the aliens that astrobiologists (scientists who study the possibility of extraterrestrial life) expect to find tend to be a lot smaller. Based on the history of life on Earth, the most likely ...
