Why our imagination for alien life is so impoverished

It astonishes me how much we seem to know about aliens. They build technology-driven civilisations and pilot spaceships across the galaxy. They create energy-harvesting structures around their stars. They beam interstellar greetings to us. We cannot be sure that, when our own broadcasts reach them in some future era, they will breathlessly await the arrival […]

There is most probably no Kardashev Type III civilization in the Universe. Here’s why

In 1964, Russian astrophysicist Nikolai Kardashev (born April 25, 1932) defined three levels of civilizations, based on the order of magnitude of power available to them (known as the Kardashev scale):

What is a Dyson Sphere and How to Build One?

Currently, we’re slowly transitioning to renewables and fusion energy may become available in the future. If we don’t destroy ourselves or the environment, as humanity progresses further, we will likely gain complete control of the Earth’s resources. At that stage, we’ll probably begin to look outwards for new places to expand into. But, if we […]