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.

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 ...

Human activity brings with it alien species and creates excellent conditions that allow them to become established in an otherwise barren Arctic landscape. The slope below the old barn and farm ...

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 fisherman is making waves after sharing footage of a bizarre, mystery sea ...

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.

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