Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

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 ...

This video explores the uncomfortable possibility that the biggest obstacle in finding alien life is not distance, but ...

Is alien life really out there? For decades, humanity has looked at the night sky and asked the same question. Now, according ...

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

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 ...

A rare astronomical event will make Venus briefly disappear from the sky on Wednesday—and some US states will be able to spot it. On June 17, skywatchers in the US may witness the waxing crescent moon ...

The Moon, moving east along the ecliptic (the plane of the solar system and the line along which the planets and Moon move on the sky), passes 3° north of Jupiter in Gemini at 3 A.M. EDT. Although the ...

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 ...