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

In virtual experiments, AI repeatedly misread dead digital organisms as self-replicating life.

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

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

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 ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals . Unexplained gases on other planets. Things mistaken for UFOs ...

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 ...

Weizmann Institute of Science researchers say their statistical toolbox will be used aboard planned Israeli Aerospace Industries spacecraft, Eureka, set to reach Jupiter's smallest moon in the 2030s ...

Could alien life exist closer than we think? The Sky at Night team investigate.