"This is an ultra-hot Jupiter, and orbits much closer to its star than any other hot Jupiter ever discovered." ...

Scientists have detected a hidden alien planet by examining the orbits of the known worlds in the star system, known as ...

NASA has uncovered a new ‘Super Earth’ planet just 154-lightyears away that has been flashing a mysterious signal. The planet ...

Astronomers just caught a celestial sneak peek at how solar systems are born, and it starts with something delightfully small ...

No telescope has basked in the night sky quite like the enormous new Vera Rubin Observatory. Here's what it could reveal ...

Scientists at the Institute for Advanced Study in Princeton, New Jersey, discover a new trans-Neptune Object, 2017OF201, potentially discrediting 2016 theory of Planet Nine.

Also known as the “Day of Miracles,” a Jupiter cazimi occurs when the planet of good times, good luck, deep pockets, limitless potential, laughter, wisdom, and diamonds on the soles of its ...

Jupiter's stunning auroras are hundreds of times brighter than those seen on Earth, as pictured in new images taken by the James Webb Space Telescope.

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact.

Astronomers have detected a massive, Ultra-Hot Jupiter that’s getting dangerously close to its star. It’s more massive than Jupiter and orbits its star more quickly than Mercury orbits the Sun. There ...

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In the meantime, Cheng said he hasn’t given up searching for Planet Nine. The new discovery, however, may throw a wrench into some long-standing theories of the planet’s existence.