The Search for ExtraTerrestrial Intelligence (SETI) is planning to actively send messages from Earth (Active SETI) to detect possible extraterrestrial civilizations.
An international crew of researchers on Friday walked out of a set of windowless modules after a grueling 520-day simulation of a flight to Mars.
Day in Pics: 30th September
Showbiz World - September 30, 2014
George Clooney - Amal Alamuddin grand Venice wedding