Microbes from space have fueled the plots of science fiction mainstays like “Project Hail Mary” and “The Andromeda Strain.” But with more space missions launching each year, finding extraterrestrial ...

For centuries, humanity has wondered whether we are truly alone in the universe — and now, NASA’s top official believes the answer may be closer than ever. NASA Administrator Jared Isaacman says the ...

In the late 1950s, a small group of scientists began to search for alien life. Among them was geneticist Joshua Lederberg at Stanford, who in 1960 spoke at the First International Space Science ...