It's not nearly as easy as one might think. The post If Scientists Ever Find Strong Evidence of Alien Life, Communicating It ...

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its ...

Harvard scientist Avi Loeb suggests comet 3I/ATLAS may be an alien vessel seeding life, after NASA's SPHEREx spacecraft detected unexplained methane and organic chemicals on board.

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

For decades, humanity has sought answers to one of the most profound questions in science: are we alone in the universe? The search forextraterrestrial life has led to groundbreaking discoveries, from ...

A 13-atom molecule containing sulfur has been discovered in interstellar space for the first time, providing insight into the origins of the chemistry of life.

In this idea, life’s first steps may have happened inside sticky gels attached to surfaces, similar in some ways to modern microbial biofilms. Biofilms are the thin layers of bacteria you see on rocks ...

The complex building blocks of life can form spontaneously in space, a new lab experiment shows.