Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

The Pentagon released its fourth batch of UFO files Friday following President Trump’s declassification order, including ...

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, ...

Imagined planets, ecosystems and creatures show how diverse alien biology could become. Did Trump's motorcade drive through reflecting pool during renovation project? What happens if you don't pay a ...

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 ...

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 ...

(RNS) — Roughly a third of the way into Steven Spielberg’s new blockbuster film “Disclosure Day,” which focuses on the theoretical release of evidence documenting the existence of alien life, a ...

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 ...

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 ...