Frequent flares from the nearby star TRAPPIST-1 could offer new clues in the search for habitable planets beyond Earth.

"We did the simplest thing that could be done — we just mapped them and pieced them together." ...

After cataloging thousands of worlds beyond our solar system, astronomers are now closing in on a far rarer prize: a moon ...

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TRAPPIST-1e may be the long-sought-after habitable, Earth-like exoplanet astronomers have been looking for in the search for ...

Scientists use the habitable zone to find planets that could host liquid water and life. Learn how planetary atmospheres and geology determine true habitability beyond Earth.

More research is needed before scientists can determine whether the recently observed methane signatures point to the presence of an atmosphere or are simply the result of contamination from the host ...