On planets more massive than the Earth, launching things in to space will be a lot more challenging.
Two astrophysicists have warned that malicious aliens could send us a message infected with a virus.
Dr. Michio Kaku maintains that contact with an alien civilization will happen before the century is out.
Researchers believe that humanity would be more likely to welcome than fear the discovery of alien life.
British tax authorities have released a list of some of the most ridiculous reasons for late tax returns.
A radio astronomer at MIT may have an explanation for why we have yet to be contacted by aliens.
Congressional candidate Bettina Rodriguez Aguilera recalls having alien abduction experiences as a child.
SETI astronomer Seth Shostak maintains that we will find evidence of intelligent aliens within two decades.
Astronomers have identified nine planets from which intelligent aliens could potentially be watching us.
Yaphet Kotto, who starred in Ridley Scott's 1979 movie 'Alien', has had close encounters of his own.
Aerospace entrepreneur and NASA partner Robert Bigelow believes that ET is already here on Earth.
Alan Bean, one of only 12 people to walk on the Moon, doesn't believe we have ever been visited by aliens.
An organization in San Francisco is planning to send messages out to potentially habitable planets.
The controversial author of 'Chariots of the Gods' predicts that aliens will return within 20 years.
Professor Brian Cox maintains that advanced extraterrestrial civilizations may inevitably self-destruct.
Scientists have calculated that it could be a long time indeed before we hear from intelligent aliens.
The SETI Institute is aiming to find evidence of aliens in a place where nobody had thought to look.
A new study has suggested that it may be possible to stop alien civilizations from discovering us.
The US President commented on extraterrestrial contact during a television interview with a six-year-old.
Former police officer Alan Godfry had a close encounter with a UFO while on patrol back in November 1980.