Scientists are now seriously asking if humans were seeded by aliens ...
Sep 14, 2025 · Yet for years, some scientists have favoured an idea that life didn't start on Earth, but elsewhere in the cosmos. In this scenario, life (or at least the ingredients for it) would have …
We Are the Aliens - Scientific American
May 13, 2021 · Humans are strange. For a global species, we’re not particularly genetically diverse, thanks in part to how our ancient roaming explorations caused “founder effects” and …
Are Humans the Real Ancient Aliens? - NBC News
Dec 13, 2016 · From the standpoint of future cosmic civilizations, we are the ancient aliens. But is that so remarkable? Maybe not. Consider being a citizen of Rome during its Empire.
Aliens May Already Live on Earth, Harvard Researchers Say
Jun 13, 2024 · Unidentified aerial phenomena could be explained by the presence of aliens or even "magical cryptoterrestrials," according to a study.
Are There Aliens or Other Intelligent Life Forms on Earth?
Aug 26, 2025 · With the rise of modern science, the question has become sharper, stripped of myth but not of awe: Are there aliens—or any other intelligent life forms—already here on …
New theory ups the odds that intelligent aliens exist
Feb 14, 2025 · Though not direct proof of aliens, the theory offers a way forward for testing and studying where, when, and if aliens might exist. “Our existence is probably not an evolutionary …
Do Aliens Exist? We Asked a NASA Scientist: Episode 5
Sep 10, 2021 · We have not yet discovered life on any other planet, and we have not seen any scientifically supported evidence for extraterrestrial life.
Do aliens exist? We studied what scientists really think
Jan 14, 2025 · There is actually a lot of “indirect” or “theoretical” evidence that alien life exists. For example, we do now know that habitable environments are very common in the universe.
Aliens: Facts about extraterrestrial life and how scientists are ...
May 24, 2025 · But what is the science behind extraterrestrial life? Is it possible that humans will ever experience "first contact" with an alien species? Many scientists hope so.
Humans vs. Aliens: What's the Difference?
Oct 17, 2023 · Humans, members of the species Homo sapiens, originated on Earth, evolving complex cultures and technologies over millennia. In contrast, aliens, if they exist, are beings …