LOS ANGELES (AP) - In "Disclosure Day," out Friday, Steven Spielberg is once again inviting audiences to ponder the existence ...

In an astronomical first, researchers have measured the magnetic fields of 7 "hot Jupiter" planets beyond our solar system — ...

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 ...

A newly developed computer model reveals that rocky planets must have a radius at least 80 per cent of Earth to maintain a ...

This could be why we still haven’t found alien life - Traces left behind by organisms on alien worlds may be too subtle to ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines a very different kind of solar system that could harbor life-forms we haven ...

LAKE PLACID – Proof of alien life on other planets may be found within the next two decades, according to NASA’s chief scientist who spoke Saturday in Lake Placid. Ellen Stofan spoke about that ...

Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of extraterrestrials date back to the earliest Indigenous and western thought. The tools ...