The sea is dark and full of terrors. There may or may not be water on Mars, but there are apparently Martians in the water. A ...

WARSAW, Poland (AP) — A respected Polish scientific institute has classified domestic cats as an “invasive alien species,” citing the damage they cause to birds and other wildlife. Some cat lovers ...

More than 2500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway ...

Introduction: Nonnative species in the world / David Pimentel -- The impacts of alien plants in Australia / Richard H. Groves -- Environmental and economic costs of invertebrate invasions in Australia ...

Disney's upcoming Alien prequel not only has the perfect opportunity to feature a forgotten 15-year-old alien species but also make Predator canon.

Alien: Earth Episode 5 “In Space, No One…” completely shifts perspective to take us back to the doomed USCSS Maginot to discover what exactly caused the Weyland-Yutani ship’s horrific crash. We knew ...

Introduction -- Form vs function : what is common across worlds? -- What are animals and what are aliens? -- Movement - scuttling and gliding across space -- Communication channels -- Intelligence ...

More than 2,500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway is one of the areas that is particularly at risk.