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Neil deGrasse Tyson explains why Jupiter is called a “failed star.” Made of star-like material, it lacks the mass to ignite ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Scientists with NASA’s Lucy mission are finally wrapping up the process of refining the data gathered by the spacecraft’s ...

Astronomers have discovered the strange dance that leads to the creation of rare "double hot Jupiters" in binary star systems ...

Europa, a moon of Jupiter, has long been one of the most exciting targets in the search for life beyond Earth. Many scientists believe that an ocean lies below its icy surface, potentially hosting ...

"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 ...

Jupiter, the largest planet orbiting the sun, used to be much bigger and stronger when the solar system was just beginning to take shape, a pair of astronomers say. Two scientists at Caltech and ...

Jupiter is our solar system's biggest planet by far. It used to be twice as large: Study A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow ...

"This brings us closer to understanding how not only Jupiter but the entire solar system took shape." Long before it became the giant planet we see today, Jupiter was even bigger and had a much ...

Understanding Jupiter's early evolution helps illuminate the broader story of how our solar system developed its distinct structure. Jupiter's gravity, often called the "architect" of our solar ...

“If there were indeed a global magma ocean, you’d see a lot more distortion as Io orbited around Jupiter and as the tidal forces flexed it and changed its shape,” said Ashley Davies, a volcanologist ...