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 ...

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

Despite the vast differences in human and bee brains, both of us can do mathematics. As we argue in a new paper published in ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

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 ...

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 ...