Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

Of the more than 5,000 exoplanets that have been confirmed so far and many more thousands of candidates, most orbit stars the ...

We tend to think of habitability in terms of individual planets and their potential to host life. But barring outliers like ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

Upon further investigation, it seems that Gliese 581d may be the only one of the two actually in the habitable zone, and its ...

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

Astronomers claim they've found the most promising signs of possible life on a planet outside of our solar system.