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

First, there was the release of the so-called UFO files by the Trump administration in May, which sparked a wide range of reactions from religious Americans. Then there was a new blockbuster summer ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

Oliver Tree, the California-born singer-songwriter known for tracks like “Life Goes On,” “When I’m Down” and “Miss You,” died in a helicopter crash in Rio de Janeiro, according to CNN Brazil. He was ...

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 ...

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 ...

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 ...

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 ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

Last summer, a NASA-funded asteroid impact warning system detected a mysterious object speeding through the solar system. Scientists determined the object had entered the solar system from deep space, ...