For decades, scientists have been actively searching for signs of extraterrestrial life. Fromradio waves to laser flashes and ...

For more than 60 years, scientists have been scanning the skies for signs of intelligent life beyond Earth. Using powerful telescopes, they have searched for unusual radio signals, brief laser flashes ...

Could alien signals have already reached Earth undetected? - If advanced alien civilisations exist and have contacted Earth, they are more likely rare, scientists say ...

But the new report suggests that the public’s belief that the government is hiding what it knows will probably continue. By Julian E. Barnes Reporting from Washington In the 1960s, secret test flights ...

Humans have created countless inventions that shape our lives in amazing ways. Some are practical, some are revolutionary, and some are simply fascinating. But if aliens suddenly appeared, which ...