Long before a star ever begins to shine, it starts out as something completely dark, a cold cloud of gas and dust where ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

What would aliens actually look like? While simple life forms like bacteria may be common in the universe, complex ...

If life is found beyond Earth, scientists known as astrobiologists will want to study any living beings. The first ...

The search for life beyond Earth has always been full of surprises. Strange radio signals have sparked excitement. Odd gases on distant worlds have raised questions. Even ordinary objects have been ...

In an experiment to see if AI can detect and even confirm alien life, the answer is a resounding yes. The rest of this ...

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

Ancient deep-sea organisms suggest movement, sexual reproduction, and complex animal life began earlier than previously thought.

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

Anthony Salvanto, Ph.D., is CBS News' executive director of elections and surveys. He oversees the CBS News Poll and all surveys across topics and heads the CBS News Decision Desk that estimates ...

Are we alone in the universe? Steven Spielberg and the cast of Disclosure Day don't think so. The team behind the sci-fi thriller extensively studied testimonies from people who claim to have ...