But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

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

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 ...

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 ...