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

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

The search for life beyond Earth has always been full of surprises. Strange radio signals have sparked excitement. Odd gases on ...

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

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

After a two week expedition off the coast of Brazil, an international team of researchers discovered 31 new marine species, ...