The Chandra X-ray telescope and other observatories are being used to study stars that could potentially harbor habitable ...

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

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

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 ...

"The algorithm achieves precision values of up to 0.99, which means that 99% of the systems identified by the machine-learning model have at least one Earth-like planet." ...

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 ...

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

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

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