When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Researchers from the search for extraterrestrial intelligence (SETI) may have figured out why we have not detected any alien ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

Add Yahoo as a preferred source to see more of our stories on Google. However, no confirmed technosignatures like artificial radio transmissions, laser flashes, or excess heat from large-scale alien ...

The origin of the millisecond-long flashes of radio waves is unknown. Most scientists believe they are generated by powerful astrophysical phenomena such as black holes or superdense neutron stars.

For more than six decades, astronomers have listened for possible signals from extraterrestrial civilisations, with no confirmed detection to date. A new statistical study considers a narrower and ...