ADVANCED alien civilisations might be talking to each other across the vast reaches of space using a “firefly” technique.

This time, people are imagining what aliens would reconstruct if they came across the skulls of some of the most loved residents on our planet, like cats, dogs, and wild cutie pies. Scroll down to see ...

Studying how honeybees process information may help humans communicate with aliens, according to a new thought ...

Researchers at University of Tsukuba have, for the first time, recorded the songs of the Chinese hwamei Garrulax ...

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 ...

Alien plants and animals cost Europe over $1.5 trillion in the last six decades, according to a new study, indicating the global economic impact of such species could be several times higher than ...

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 ...