One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Apart from "Genesis II: Colonizing New Worlds," John Lincoln has authored several other books, including "The Carbon Crisis," "Honing Your Risk-Taking Experiences," "The Rise and Fall Of The Western ...

Alpha Centauri, one of the two "Pointer Stars" that help stargazers find the Southern Cross in the Southern Hemisphere, may have a planet in orbit around it. If it does, the Webb Telescope will find ...