According to the Kardashev scale, the civilizations are classified into three types: 1) Type I civilization: A civilization that can harness and use all the energy available on its planet. On a ...

Earth isn't the only planet impacted by climate change, according to a new study. A new model shows that an alien civilization can ... it doesn't matter what type of energy sources is used ...

"The probable lifespan of civilization will be much greater if we are a multi-planet species than if we are a single-planet species," he added. Mars is one of planets to be the saving one for ...

inventor Elon Musk is already looking at building a sustainable city of 1 million people on Mars by 2050, or before “civilization dies.” “I think the soonest would be 2029” when man lands ...

The concept, first popularized by physicist Freeman Dyson in 1960, represents one of ... any advanced civilizations that might be out there succeed, then they would be classed as Type II on ...