https://www.nsa.gov/portals/75/documents/news-features/declassified-documents/cryptologic-spectrum/communications_with_extraterrestrial.pdf
by LD Callimahos · Cited by 3 — We are not alone in the universe. A few years ago, this notion seemed farfetched; today, the existence of extraterrestrial intelligence is taken
https://en.wikipedia.org/wiki/Extraterrestrial_life
Extraterrestrial life, or alien life (colloquially, aliens), is life that originates from another world rather than on Earth.
https://www.reddit.com/r/space/comments/xg01yb/what_isare_the_most_compelling_and_credible_piece/
We are extraterrestrials to Mars (and the many other worlds we have visited) and so extraterrestrial life exists. It's us, the only difference ...
https://www.theguardian.com/science/2025/apr/17/scientists-hail-strongest-evidence-so-far-for-life-beyond-our-solar-system
Apr 17, 2025 — Astrophysics team say observation of chemical compounds may be 'tipping point' in search for extraterrestrial life. ... proof of alien ...
https://news.vt.edu/articles/2025/04/science-exoplanet-k2-18b.html
Apr 17, 2025 — Astronomers claim strong evidence of alien life, but experts urge caution ... Scientists on the hunt for extraterrestrial life just got a ...
https://www.boston25news.com/news/local/aliens-earth-yes-theres-proof-it-harvard-physicist-says/V327WH6Q6VGBFJGSLZTQTGEUMM/
Aug 30, 2023 — Have you ever wondered if extraterrestrials have roamed the earth? Avi Loeb has, and the renowned Harvard physicist says he now has proof of it.
https://www.sciencefocus.com/space/humans-seeded-aliens-panspermia
Sep 14, 2025 — ... alien life is common in the Universe, and maybe even hinting that we ourselves were originally aliens to the planet we now call home. That ...
https://www.nasa.gov/solar-system/planets/mars/do-aliens-exist-we-asked-a-nasa-scientist-episode-5/
Sep 8, 2021 — Do aliens exist? Extraterrestrial life has never been discovered, but that doesn't mean it doesn't exist. At NASA, astrobiologists like Lindsay ...
https://www.livescience.com/space/extraterrestrial-life/12-strange-reasons-humans-havent-found-alien-life-yet
Dec 2, 2024 — Scientists have been searching for evidence of extraterrestrial life for decades. So, where are all the aliens? Here are 12 intriguing theories.
https://www.newscientist.com/article/dn9943-top-10-controversial-pieces-of-evidence-for-alien-life/
Top 10: Controversial pieces of evidence for alien life ... Are aliens real? ... Tests performed on Martian soil samples by NASA's Viking landers hinted at chemical ...
https://theconversation.com/scientists-claim-to-have-found-evidence-of-alien-life-but-biosignatures-might-hide-more-than-they-reveal-254801
Apr 22, 2025 — In 1996, a NASA team announced a Martian meteorite discovered in Antarctica bore signs of past alien life. Specimen ALH84001 showed evidence of ...
https://www.amazon.com/Evidence-Extraterrestrials-Cases-Aliens-Visited/dp/0738767131
Over Forty Alien Encounters That Disclose the Real Truth. Discover an in-depth, case-by-case analysis that proves the existence of extraterrestrials.
https://www.popularmechanics.com/space/a69674444/listening-for-alien-radio-signals/
10 hours ago — But what if aliens are transmitting messages from one exoplanet to another instead? If they exist, we may now have a way to eavesdrop on alien ...
https://www.bbc.com/future/article/20240308-how-the-hunt-for-alien-life-is-hotting-up
Sep 11, 2025 — Forget UFOs and alien abductions, here's how scientists are really looking for life on other worlds. It is easy to wax lyrical about aliens.
https://www.futura-sciences.com/en/we-have-proof-of-extraterrestrial-civilizations-says-astrophysicist-avi-loeb_9301/
Feb 4, 2025 — “We have proof of extraterrestrial civilizations,” says astrophysicist Avi Loeb ... proof of an alien civilization. “I'm convinced that ...
https://www.durham.ac.uk/research/current/thought-leadership/2025/01/do-aliens-exist-we-studied-what-scientists-really-think/
Jan 14, 2025 — When we turn to “complex” extraterrestrial life or “intelligent” aliens ... There is actually a lot of “indirect” or “theoretical” evidence that .
https://www.aaro.mil/
Has the Department found any evidence of extraterrestrial technology? No. Examination of UAP sightings is ongoing. AARO uses a rigorous scientific framework ...