Rising greenhouse emissions may tip off aliens that we are a rapidly expanding threat, warns a report from Nasa Ian Sample, science correspondent guardian.co.uk,Article historyWhen they see what a mess we've made of our planet, aliens… more »

  Other sightings include this video sequence over Red SquareAn airport in Baotou, Inner Mongolia, was forced to shut to prevent passenger jets crashing into a UFO, according to reports.UK Telegraph Three flig… more »

  CNN Seven former U.S. Air Force personnel gathered in Washington Monday to recount UFO sightings over nuclear weapons facilities in decades past – accounts that a UFO researcher says show extraterrestrial beings are interested in the world’s nuclea… more »

Proof of aliens could come within 25 years, scientist says NASA In 1977 NASA's Voyager 1 and 2 spacecraft launched into space carrying phonographs called the Golden Records containing pictures and sounds meant to show ext… more »