Astrobiologists propose that alien civilizations need accessible coal deposits to industrialize exoplanets and become detectable from Earth.

Imagine discovering life beyond Earth right on a distant exoplanet! In this video, we explore K2-18b, a Super-Earth located 124 light-years away, in the habitable zone of its star. Could this alien ...

Add Yahoo as a preferred source to see more of our stories on Google. New research suggests liquid water may exist on tidally locked exoplanets beyond classic habitable zones. (CREDIT: NASA ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...

For decades, the search for alien life has revolved around a narrow ring around stars where liquid water could exist on a planet’s surface. That “habitable zone” remains important, but astronomers are ...

For many years, astronomers have been looking for extraterrestrial life. In doing so, astronomers have narrowed their search to a small “habitable zone” around stars. This habitable zone defines the ...

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, you're a large... Scientists have been studying the exoplanet TRAPPIST-1 e ...