Add Yahoo as a preferred source to see more of our stories on Google. The first few years of the 2020s have seen the debate over whether humanity is alone in the universe evolve from a far-fetched ...

Scientists continue to explore one of humanity’s biggest questions: are we alone in the universe? This documentary examines the modern search for intelligent alien life, from advanced telescopes and ...

A photo of a three-sided Martian "pyramid" has sparked discussions on potential advanced life on the Red Planet. Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a ...