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 confused with the …

Nov 24, 2025 · What follows is an overview of the most commonly reported alien types in modern UFO lore. These descriptions come from witness testimony, contactee literature, and conspiracy theories …

In this comprehensive guide, “Exploring the Cosmos: A Guide to the 27 Types of Extra-terrestrial Beings,” we delve deep into the heart of the unknown, shedding light on beings that are said to …

1 day ago · Many people are fascinated by the idea of alien existence, and it’s a topic that’s been studied closely by ufologists and ancient astronaut theorists. In this article, we’re taking a closer look …

Alien Species Wiki is a website containing information on any alien creature ever imagined by mankind. From furballs to behemoths, from little green men to shades of blue, from mindless parasites to …

In 1972, astronomer J. Allen Hynek proposed that there are three types of close encounters that humans can have with beings that we would refer to as extraterrestrial in his book, The UFO Experience: A …

This is a field guide to the 82 extraterrestrial species that populate the universe. ET enthusiast Craig Campobasso explores the origins, physical characteristics, technological and consciousness …

A very cunning aggressive reptilian species with the ability for trans-dimensional as well as Interdimensional travel. It appears that their sole agenda is to destroy the souls of humans, …

Nov 29, 2025 · This article examines the primary classifications of reported alien species found in UAP literature and witness testimony identifying the defining characteristics that separate one group from …

We present a method for categorising and comparing alien or invasive species in terms of how damaging they are to the environment, that can be applied across all taxa, scales, and impact metrics.