Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

The search for life beyond Earth is a holy grail quest for many experts, but finding where to look is a core issue.

As WorldAtlas notes, “Humanity has physically explored more of our oceans than space. However, the journey of discovery in both fields has barely begun, promising endless opportunities for exploration ...

In an exciting breakthrough for astronomy and the search for extraterrestrial life, a team of international scientists has announced the discovery of Gliese 12 b, a temperate, Earth-sized exoplanet ...

E.T. phone home planet K2-18b. A team of astronomers shared they’ve found what they say is the most promising sign of extraterrestrial life on a massive planet, known as K2-18b, in a solar system 120 ...

K2-18b resides within the habitable zone of its star, making the presence of liquid water and thus life possible. Using the James Webb Space Telescope, researchers detected molecules in K2-18b's ...

An ocean world that's teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...

WASHINGTON - NASA's planet-hunting telescope has discovered two planets that seem like ideal places for some sort of life to flourish. And they are just the right size and in just the right place. One ...

R. Hurt (Caltech/IPAC) Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own Sun. In the popular Avatar movies, this ...

Astronomers using the James Webb Space Telescope (JWST) have identified what they describe as the most compelling evidence so far for biological activity beyond Earth. The findings focus on the ...