Although humanity has yet to find definitive signs of extraterrestrial life, there are many enticing places to look.

A newly developed laser instrument will help NASA scour distant planets and moons for signs of alien ... study small materials, like amino acids, which are not necessarily indicative of life ...

Science has finally caught up with humanity's dreams of investigating life on alien worlds. Astrobiology is the field of science concerned with the study of ... agencies like NASA and the European ...