Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new ...

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

Thanks to JWST, we've learned key details about methanol — a key building block for organic compounds necessary for life — on ...

Stars have long inspired curiosity among observers, but our understanding of their birth and the creation of planets around ...

NASA's SPHEREx space observatory has spent the last six weeks undergoing checkouts, calibrations, and other activities to ...

Super-Earths, larger planets similar to Earth, are far more common across the universe than scientists previously believed, ...