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, ...

Most Americans believe that aliens exist — and more than one in five think they’ve already paid our planet a visit, according to an out-of-this world new poll. Some 63% of Americans said they’re ...

Are humans alone in the universe? The answer is more complicated than science fiction might suggest. Scientists have discovered billions upon billions of potentially habitable planets. But if life is ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE - Deputy Director of Naval Intelligence Scott Bray points to a video display of a UAP during a hearing of the House ...

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 ...

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 ...

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

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 ...

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 ...

We're still in the definition phase of the Habitable Worlds Observatory (HWO), but it seems like every week a new research group comes out with a paper helping to shape what is becoming one of the ...