Recent observations suggest that scientists have identified potential microbial fingerprints in the atmospheres of other planets, raising intriguing questions about the possibility of alien life ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life. An illustration shows what ...

The new FX series went to Thailand to film a story that takes place in a hotter, wetter, more ominous world. By Mike Hale Mike Hale, a New York Times television critic, visited the set of “Alien: ...