Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Jupiter, the largest planet orbiting the sun, used to be much bigger and ...

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. To put that into context, those ...

The curious cosmic object could become a temporary captive of the gassy planet before it departs from our solar system ...

I/ATLAS is moving towards a close Jupiter flyby expected in March 2026, and the event is drawing strong attention from ...

To see the pair together, look up to the Moon in the eastern sky on December 7, and Jupiter will be just above and to the ...

I/ATLAS is the third confirmed interstellar object known to enter our Solar System, following ʻOumuamua and 2I/Borisov.

NASA's Juno spacecraft captured this view of Jupiter during the mission's 54th close flyby of the giant planet Sept. 7, 2023. People around the world will have a chance this weekend to catch what ...

"This brings us closer to understanding how not only Jupiter but the entire solar system took shape," said Konstantin Batygin, planetary science professor at Caltech and lead author of the study, in a ...

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The Solar System is more than just planets; it is home to a dazzling variety of moons, each with its own unique charm. Some are icy and serene, others are stormy or volcanic. Among the many satellites ...

A planet 100 light-years away that resembles a young Jupiter has been discovered by an international team of astronomers that includes six UCLA scientists. The discovery is reported Aug. 13 in the ...