The universe is not just vaster than we imagine, but vaster than we can imagine. Scientists estimate the cosmos contains hundreds of billions of galaxies. In all probability, somewhere deep in space there is a sun much like our own, which is shining on an alien civilization that is quite likely very different from ours.
Perhaps, this extraterrestrial society is far more advanced than we are. Maybe, they have mastered intergalactic space travel and have visited our planet. Most scientists believe we are not alone — that somewhere in the immense recesses of space there are other intelligent beings. Some contend that aliens have visited the earth and that our government is hiding evidence of their existence. Indeed ... Read even more
