Temperature plays the biggest role in where plants can grow. Warmer conditions allow more plants to survive in new places. Other factors like rainfall and soil also matter, but temperature has the ...

A bizarre floating growth on the International Space Station has sent the internet into a frenzy because of its alien-like roots. NASA’s Don Pettit shared a picture of a potato he grew while onboard ...

A strange purple object aboard the ISS sparked alien fears online, but NASA revealed it was a potato experiment. It shows how microgravity can turn ordinary plants into bizarre shapes.

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 ...