SETI researchers may have missed alien signals due to a cosmic phenomenon that distorts narrowband radio waves, new research says.

For four decades, many SETI experiments have focused on finding sharp spikes in frequency but the new study says signals may not stay narrow as they travel away from their home system.

A new trailer has arrived for Disclosure Day , the upcoming alien sci-fi thriller from legendary filmmaker Steven Spielberg , and it looks like the director is diving headfirst back into the cosmic ...

Add Yahoo as a preferred source to see more of our stories on Google. For decades, humanity has scoured the cosmos for any signs that we aren't alone in the universe. But now, researchers at the SETI ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

What steps can be taken to identify why we haven’t received radio signals from an extraterrestrial intelligence, also called technosignatures? This i | Space ...

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

Professor Brian Cox has revealed how he left BBC bosses ‘panicked’ over potentially finding extraterrestrial life while filming one of his series.

Now, the scientists are trying to understand it better by analysing indirect signs, such as these mysterious signals, including 511-keV emission line, 2 MeV gamma-ray continuum, and unusual gas ...

Solar winds near aliens’ homes – and ours – might be blowing away signs of alien technosignatures by broadening signals The SETI Institute, the nonprofit that conducts a search for extraterrestrial ...

Institute has found that we may have missed transmissions from intelligent alien life for a very benign reason. SETI’s searches are focused only on very narrow signals, so the organization typically ...