More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

Thousands of alien species could invade the Arctic, warns a new study. Warmer temperatures and more tourists make it easier ...

Human activity brings with it alien species and creates excellent conditions that allow them to become established in an otherwise barren Arctic landscape. (Kristine Bakke Westergaard, NTNU via SWNS) ...

The Big Alien Theory suggests that most intelligent species in the universe may be far larger than humans, requiring more energy and supporting much smaller populations. Using statistical reasoning ...

The Xenomorph species, on paper, is far more efficient than humans. They are perfectly engineered to be apex predators, possessing an extremely efficient hive-mind-like mentality, a relentless drive ...