People compare how aliens would reconstruct animals based on their skulls vs. what they really look like (28 pics) About 500 million years ago, not a single creature had a skull. Over time, these bony ...

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

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 ...

Introduction -- Form vs function : what is common across worlds? -- What are animals and what are aliens? -- Movement - scuttling and gliding across space -- Communication channels -- Intelligence ...

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 ...

Alien: Earth Episode 5 “In Space, No One…” completely shifts perspective to take us back to the doomed USCSS Maginot to discover what exactly caused the Weyland-Yutani ship’s horrific crash. We knew ...