When considering the prospect of alien life, humankind should prepare for the worst, according to a new study: Either we’re alone, or any aliens out there are acquisitive and resource-hungry, just like us. These two unpalatable options are pretty much the only possibilities, according to the new study. That’s because evolution is predictable, and alien biospheres should thus produce intelligent creatures much like us, with technological prowess and an ever-increasing need for resources. But the fact that we haven’t run across E.T. yet argues strongly for the latter possibility—that we are alone in the universe’s howling void.
"I grew up in New Jersey in the 1970s and that experience gave me everything I needed to become a skeptic."
The paper does not prove the existence of dark matter, but it mostly eliminates a rival theory called Modified Newtonian Dynamics.
How to figure out the right amount of time for any project.