Alien Species : Science World Report

May 05, 2014 11:48 PM EDT

Habitable Exoplanets are Bad News for Humanity

Last month, scientists announced the discovery of Kepler-186f, a planet 492 light years away in the Cygnus constellation. Kepler-186f is special because it marks the first planet almost exactly the same size as Earth orbiting in the “habitable zone” – the distance from a star in which we might...

Sep 19, 2013 10:54 PM EDT

Proof of Alien Life? You Need a Lot More Evidence Than That

Could life really exist on other planets? The most positive scientific answer we can offer is: well, maybe, but we do not yet have enough evidence for or against.

Jun 28, 2013 10:28 PM EDT

New Method For Assessing Risks From Alien Species

A new semi-quantitative method that enables researchers and others to assess the environmental impacts posed by alien species is now in use in Norway. While the method is tailored to the Norwegian environment, it can easily be adapted to other countries, and fills an international need for a quantif...