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Oct 28, 2023 · Seager believes we'd confirm the existence of alien life only with sample-return missions — collecting samples from another planet or moon and bringing them back to Earth for study, in-situ...
Jan 18, 2021 · By Elizabeth Kolbert. January 18, 2021. Encountering aliens would be surprising; the fact that we haven’t yet heard from any is perhaps even more so. Illustration by Paul Sahre. On October 19,...
- 1976, The Viking Mars landers detect chemical signatures indicative of life. Tests performed on Martian soil samples by NASA’s Viking landers hinted at chemical evidence of life.
- 1977, The unexplained extraterrestrial “Wow!” signal is detected by an Ohio State University radio telescope. In August 1977 an Ohio State University radio telescope detected an unusual pulse of radiation from somewhere near the constellation Sagittarius.
- 1996, Martian “fossils” are discovered in meteorite ALH84001 from Antarctica. NASA scientists controversially announced in 1996 that they had found what appeared to be fossilised microbes in a potato-shaped lump of Martian rock.
- 2001, More rigorous calculations connected to the 1960s “Drake equation” suggests that our galaxy may contain hundreds of thousands of life-bearing planets.
Nov 25, 2023 · Aliens are having a moment. But the evidence says all possibilities remain in play, including the possibility that we are alone.
Apr 15, 2024 · 10 min read. If Alien Life Is Found, How Should Scientists Break the News? At a recent workshop, researchers and journalists debated how to announce a potential discovery of extraterrestrial...
Sep 10, 2021 · Sep 10, 2021. Article. Do aliens exist? Extraterrestrial life has never been discovered, but that doesn’t mean it doesn’t exist. At NASA, astrobiologists like Lindsay Hays are trying to answer one of the most profound questions ever: Is there life beyond Earth? Do Aliens Exist? We Asked a NASA Scientist. Watch on. Do aliens exist?
