Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

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

A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before ...

Add Yahoo as a preferred source to see more of our stories on Google. Turbulent star environments may broaden alien radio signals, making them harder for SETI to detect. (CREDIT: Shutterstock) Radio ...

One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien signals entirely, a new study finds. Since the very beginnings of the search ...

Discover the mysterious ‘Wow!’ signal, a 1977 transmission that sparked decades of speculation about extraterrestrial life.

Researchers may have finally traced 1977’s famous extraterrestrial anomaly back toward massive, naturally occurring hydrogen ...

The history of astronomical discovery shows that many of the most detectable phenomena, especially detection firsts, are not ...

For decades, humanity has scoured the cosmos for any signs that we aren't alone in the universe. NASA spacecraft like the twin Voyager probes – launched in the 1970s bearing the iconic Golden Record – ...