The dispersal of alien species redefines biogeography

It has been hypothesized that globalization of human-mediated dispersal of species may break down biogeographic boundaries. However, empirical tests had been lacking until recently. An international research team has now ...

Variability helps mammals to become invasive

From the time humans began discovering and conquering new continents, they also started transporting animals and plants around the world and releasing them in locations where they never occurred before. Most of these alien ...

Guiding our search for life on other earths

A telescope will soon allow astronomers to probe the atmosphere of Earthlike exoplanets for signs of life. To prepare, Lisa Kaltenegger and her team are modeling the atmospheric fingerprints for hundreds of potential alien ...

Sundance doc examines real-life Close Encounter

Earth authorities are completely unprepared for the arrival of alien visitors and worried humans should ready themselves by watching a groundbreaking documentary, the film's director boasts.

Are aliens watching old TV shows?

You've probably heard the trope about how aliens have been watching old episodes of "I Love Lucy" and might think these are our "historical documents". How far have our signals reached?

Gift Guide: Dragons, aliens, heroes for the gamer

Sony's PlayStation 4 video-game console has built an impressive lead over its competitors. That's good news for holiday shoppers because it has driven Microsoft and Nintendo to offer more budget-friendly holiday deals on ...

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