Brian Lacki has released a set of three prepublication studies attempting to rationalize and measure the odds of a ...

Aliens are almost certainly real. A NASA expert not only agrees but suggests their silence has a chillingly practical reason ...

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 ...

A strange object hurdling through our solar system from interstellar space may, according to one of academia’s most controversial astronomers, have been sent by aliens to see how smart we are. “It is ...

In 1950, famed astrophysicist Enrico Fermi posed a profound question during a casual lunch with colleagues: Where is everybody? In other words, if there’s an extremely high probability that advanced ...

Planets lacking plate tectonics and sufficient carbon dioxide and oxygen could make advanced civilizations like ours ...