It's not nearly as easy as one might think. The post If Scientists Ever Find Strong Evidence of Alien Life, Communicating It ...

This video examines whether alien plants could actually be blue and what physics says about plant color beyond Earth. It explains how star type, light spectrum, and energy efficiency shape what colors ...

Astrobiologists propose that alien civilizations need accessible coal deposits to industrialize exoplanets and become detectable from Earth.

A rocky, Earth-size planet located in our Milky Way galaxy may have an atmosphere around it, according to new research, raising the possibility that it could also have liquid water on its surface and ...