This category is for alien creatures reported in UFO conspiracy theories and urban legends, which are claimed by people who share these narratives to exist in real life.

Feb 17, 2025 · Though definitive evidence remains elusive, countless theories about alien species have emerged from UFO lore, science fiction, and reported encounters. Whether you're a …

Jun 22, 2024 · Here’s an in-depth look at the most commonly reported types of aliens, each with its own set of intriguing stories and distinctive features: 1. Greys. Small bodies, large heads, …

This is a list of alleged extraterrestrial beings that have been reported in close encounters, claimed or speculated to be associated with unidentified flying objects (UFOs) (not to be …

Jan 12, 2024 · From the diminutive Greys to the colossal Reptilians, the galaxy is teeming with a wide array of fascinating lifeforms. In this beginner’s guide, we will delve into the captivating …

Jan 14, 2025 · When we turn to “complex” extraterrestrial life or “intelligent” aliens, our results were 67.4% agreement, and 58.2% agreement, respectively for astrobiologists and other …

Jun 16, 2020 · A new calculation posits that there are 36 intelligent alien civilizations sharing the Milky Way with humanity today, but it relies on some big assumptions.

What is an alien species? An alien species is any non-native plant, animal or other organism introduced into a place that was never part of its natural range. Sometimes known as invasive, …

Over the years, many people have taken those three types of encounters and expanded them into a number of subcategories, and even an extended list which outlines 7 different categories of …

Oct 24, 2024 · While scepticism remains strong in scientific communities, a substantial body of evidence—both anecdotal and physical—suggests that various types of aliens may have been …

Jun 18, 2020 · The study suggests that there might be a total of 36 different species of aliens in our galaxy. But, before you get too excited, it also suggests that the average distance to such...

Jan 19, 2025 · When we turn to “complex” extraterrestrial life or “intelligent” aliens, our results were 67.4% agreement, and 58.2% agreement, respectively for astrobiologists and other …

Feb 1, 2023 · As an astronomy postdoc at Harvard University in the late 2000s and early 2010s she investigated how astronomers might use genetic sequencing—detecting and identifying …

Feb 6, 2025 · Moving microbes. The results showed thatL-serine worked as an attractor for all three species. “Especially the usage of H. volcanii broadens the scope of potential life forms …

Jun 4, 2024 · From the eggs to the queens, each stage in the Alien lifecycle reveals different types of Xenomorphs with unique characteristics and abilities. The expanded universe has …

May 12, 2024 · (Image credit: NASA/JPL) Neptune's largest moon, Triton, is a strange place. Geysers erupt with nitrogen gas, there are organic materials — the building blocks for life — in …

Jan 17, 2025 · Studying motility — the ability of organisms (in this case, microbial life) to move independently in their environment — could be an effective way to find and identify …

Feb 17, 2025 · Aliens Most Likely Exist on Other Planets. The idea of being “on time” as opposed to what some say is human life coming to be “late” takes a different approach at our origins. …

In this video, Unveiled takes a closer look at the different types of alien you should know about! Science fiction has served up some incredible alien variations... but these are the ones that …