The most beloved beings from strange new worlds.

Researchers have catalogued which alien plants may pose a threat to plants in the Arctic. The post Study warns thousands of ...

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

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 ...