Sometimes in science you have to step back and take another look at underlying assumptions. Sometimes its necessary when progress…
One of the most challenging aspects of astrobiology and the Search for Extraterrestrial Intelligence (SETI) is anticipating what life and…
Eventually, every stellar civilization will have to migrate to a different star. The habitable zone around all stars changes as…
Earth's average global temperatures have been steadily increasing since the Industrial Revolution. According to the National Oceanic and Atmospheric Agency…
The Search for Extraterrestrial Intelligence (SETI) is regularly plagued by the fact that humanity has a very limited perspective on…
In 1971, English mathematical physicist and Nobel-prize winner Roger Penrose proposed how energy could be extracted from a rotating black…
In 1977, astronomers received a powerful, peculiar radio signal from the direction of the constellation Sagittarius. Its frequency was the…
Humanity is facing an atmospheric threat of our own device, and our internecine squabbles are hampering our ability to neutralize…
The search for life has to be one of the most talked about questions in science. The question is, what…
If alien technological civilizations exist, they almost certainly use solar energy. Along with wind, it's the cleanest, most accessible form…