Could an alien civilization from Mars have terraformed Earth?

(ORDO NEWS) -- Former chair of the astronomy department at Harvard, Professor Avi Loeb, wondered

How should world governments react to the discovery of an alien civilization?

(ORDO NEWS) -- Scientists are actively discussing the geopolitical implications of potential contact with extraterrestrial

Astronomer believes that there are at least 4 hostile alien civilizations in the Milky Way

(ORDO NEWS) -- The Milky Way is home to millions of potentially habitable planets —

Alien civilizations may travel on orphan planets

(ORDO NEWS) -- Mysterious signal Wow! could come from a civilization moving into a new

Three stages of development of alien civilizations

(ORDO NEWS) -- In 1964, Soviet astronomer Nikolai Kardashev published an article entitled "Transmission of