There was a very interesting article from space.com on Friday explaining how scientist believe there is a high likelihood of Earth being visited by extraterrestrial life.

"We are in the curious situation today that our best modern physics and astrophysics theories predict that we should be experiencing extraterrestrial visitation, yet any possible evidence of such lurking in the UFO phenomenon is scoffed at within our scientific community," contends astrophysicist Bernard Haisch.