A new study estimates that invasive alien species cost Morocco between $1.14 billion and $5.13 billion every year, with ...

For over two decades, millions volunteered their computers to help UC Berkeley scientists in their search for ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

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 ...