Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

Aliens may well exist somewhere in the cosmos, but they are unlikely to be visiting Earth any time soon, according to a new analysis by Professor Carol Oliver of the University of New South Wales in ...

Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest ...

Scientists say extraterrestrial life may exist elsewhere in the universe, but vast distances, enormous energy requirements and Earth's unique environment make alien visits to Earth highly unlikely.