The first experience that an alien civilization might have of us may not be telecommunications – no ETs watching early The Simpsons episodes. Astronomers have found that up to 200 light-years away, ...
Earth plants could thrive under the light of an alien sun, according to a recent experiment. A team of astrobiologists planted garden cress seeds and cultured dishes of photosynthetic bacteria under ...
Astrophysicist Benjamin Zuckerman concludes that no alien civilization has passed within 100 light-years of Earth in billions of years, based on the absence of alien probes or strong, continuous ...