Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

Scientists believe turbulent “space weather” around distant stars could be scrambling potential alien signals before they ...

In the endless search for technosignatures—signs from some technologically advanced intelligent alien civilization—we’ve done everything from monitoring radio arrays to hypothesizing about whether ...

A groundbreaking new study, published in The Astrophysical Journal Lettersand conducted by researchers at Penn State University and NASA’s Jet Propulsion Laboratory (JPL), reveals that Earth may be ...

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs of alien life. Despite its extensive efforts, the universe remains eerily ...