From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

Could the planet TRAPPIST-1 e, located in the habitable zone of its red dwarf star, host liquid water and perhaps even life?

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, ...

Science fiction writer and futurist Arthur C. Clarke once said, “Two possibilities exist: either we are alone in the universe or we are not. Both are equally terrifying.” And perhaps that fear is what ...

Worlds upon worlds await us in the cosmos and we’re finding more all the time. Before 1992, we weren’t even completely certain planets existed outside of our solar system. Now, astronomers are finding ...

What geophysical criteria must exist on exoplanets teach scientists about whether technological civilizations exist throughout the galaxy? This is what a recent study presented at the Europlanet ...

In astronomy, there is a concept called "degeneracy." It has nothing to do with delinquent people, but instead is used to ...

An exoplanet is what we call planets that exist outside of our own solar system. The first one was discovered in 1992, but as we get more powerful and precise telescopes and instruments, scientists ...