In his classic science fiction novel Contact, Carl Sagan remarked, “The universe is a pretty big place. If it's just us, seems like an awful waste of space.” Physicist Enrico Fermi is credited with ...
A NASA astrophysicist has recently proposed a theory that could potentially resolve the long-standing Fermi Paradox. The theory suggests that alien civilizations may be scattered sparsely throughout ...
The search for extraterrestrial intelligence (SETI) has been ongoing since the 1960s, yet no confirmed signals from alien civilizations have ever been detected. A new study published in Astrophysical ...
In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...
The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...