1. Interstellar Travel Could Be Possible Even Without Spaceships, Scientist Says  ScienceAlert
2. There may be 4 evil alien civilizations in the galaxy  Livescience.com
3. Civilizations Don’t Even Need Space Ships to Migrate From Star System to Star System  Universe Today
4. Four `malicious` alien civilisations could attack or invade Earth: Researcher  WION
5. Our Galaxy Contains Thousands of Alien Civilizations: Scientific Research  Newsmax

Source: Google Finance – Market News