The curious minds at What If explore what would happen if there is alien life on Jupiter's moon Europa.

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Europa might not be the best place to look for alien life in the solar system after all. A new study modeling what the floor of the Jupiter moon's hidden ocean is like concluded that tectonic activity ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...