A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

This video explores whether alien life would really need DNA, or whether that assumption is just a product of Earth’s own biology. By looking at RNA worlds, alternative genetic molecules like XNAs, ...

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

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 ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

New SETI protocols outline how scientists should verify, share, and respond to potential evidence of alien intelligence in the modern information age. Reading time 4 minutes The moment of first ...

In Steven Spielberg’s Disclosure Day, opening tomorrow, protagonists race across the globe to expose a decades-long government cover-up and reveal to the world that extraterrestrial life is real. It’s ...

LOS ANGELES — In “Disclosure Day,” out Friday, Steven Spielberg is once again inviting audiences to ponder the existence of extraterrestrial life - and the implications it would have for religion on ...

We are not alone in space – and maybe not even on Earth. At least that's what the public believes. Most Americans believe intelligent life exists on other planets, and one in five think they've ...