Could alien signals have already reached Earth undetected?

Astronomers have searched the skies for signs of extraterrestrial technology for decades. These searchers since 1960 have ...
The Daily Galaxy on MSN

Alien signals could have already reached us: Why haven’t we detected them?

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

Search for radio signals finds no hint of alien civilisation on K2-18b

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...
Yahoo

Aliens could be chatting with each other in plain sight using light flashes like fireflies, scientists say

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, according to a new study that could lead to new approaches in finding ...
Gizmodo

Scientists Propose a Smarter Way to Hunt for Alien Radio Signals

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...
Futurism

Scientist Says Galaxies Shining With Radio Signals Could Indicate Numerous Advanced Civilizations

The Fermi Paradox, first devised by physicist Enrico Fermi in the 1950s, asks why we haven’t detected alien civilization yet, despite the vast universe teeming with countless potentially habitable ...
Astronomy

New projects broaden the search for alien signals from space

Estimating the chance of getting a message from life beyond Earth, say within the next decade, isn’t easy. Even the best experts are reluctant to offer precise odds. “Anybody who gave you a figure ...

If alien signals have already reached Earth, why haven't we seen them?

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...