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.

Star Trek has introduced a host of different alien species over the decades, but the past 17 years have seen four of the most famous decimated.

Insects are often seen as invaders due to high-profile species like the yellow-legged (Asian) hornet, the harlequin ladybird and fire ant. but new research reveals insects are also major victims of ...

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.

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 ...

They’re UFOs — unidentified floating objects. Online denizens were left baffled after mysterious blobs were spotted in an Oklahoma lake — with many comparing them to “alien eggs.” The Oklahoma ...

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 ...

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