As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

Jupiter, the largest planet orbiting the sun, used to be much bigger and stronger when the solar system was just beginning to ...

Astronomers have calculated that the gas giant Jupiter used to be twice as big as it is now, based on the odd orbits of two ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

The team's calculations indicate that young Jupiter had a radius nearly twice its current size, with a volume large enough to ...

"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 may have once been more than twice its current size, with a magnetic field 50 times stronger, say scientists who ...

Understanding Jupiter's early evolution helps illuminate the broader story of how our solar system developed its distinct ...

The study by Konstantin Batygin of Caltech and Fred Adams of the University of Michigan pulls off a rare feat in planetary ...

Astronomers have discovered that the Jupiter, the largest planet in our Solar System, was once so big that it could have held ...

The astronomers behind the study – Konstantin Batygin, a professor of planetary science at the California Institute of Technology, and Fred C. Adams, a professor of physics and astronomy at the ...