SIR JOHN LUBBOCK, Author of " Prehistoric Times.” New York : D. Appleton & Co. THERE can be no doubt that it was in the author’s mind to erect a great structure with the materials which he has here ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American As we discover numerous habitable planets ...

In this essay, David Schwartzman, a biogeochemist at Howard University in Washington D.C., explains why he thinks the aliens are out there, despite the fact that the search for extraterrestrial ...

Part 3 of my investigation into the evidence for ancient high technology! In this video, I clarify the arguments made in previous episodes, respond to some of the discussion around these topics, and ...