Harvard's top astronomer lays out his controversial theory that our solar system was recently visited by advanced alien technology from a distant star

The mystifying connection between the occult, the New Age movement, and the UFO phenomenon.From both a Christian and objective perspective, and through his uniq

Are alien civilizations really possible? If extraterrestrials exist, where are they? How likely is it that somewhere in the universe an Earth-like planet suppor

Alien Ocean immerses readers in worlds being newly explored by marine biologists, worlds usually out of sight and reach: the deep sea, the microscopic realm, an

Oceans were long thought to exist in all corners of the Solar System, from carbonated seas percolating beneath the clouds of Venus to features on the Moon's sur