A new study by Caltech’s Konstantin Batygin and his colleague theorizes how super-Earths are formed. Credit: Caltech/R. Hurt ...

The new calculations, described in a paper published Tuesday (May 20) in the journal Nature Astronomy, suggest that just 3.8 ...

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

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

With an atmosphere, by mass, of primarily hydrogen (76 per cent) and helium (24 per cent), and by volume of 89 per cent ...

"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 ...

For the unversed, "Planet Nine" is a hypothetical planet which is reportedly larger than Earth that is thought to orbit ...

To work out the size of early Jupiter, scientists studied the tilted orbit of two of the planet's tiny moons, which can remain unchanged for billions of years.

More information: Konstantin Batygin et al, Determination of Jupiter's primordial physical state, Nature Astronomy (2025). DOI: 10.1038/s41550-025-02512-y Journal information: Nature Astronomy ...

The TNO, which are described as minor planets that orbit the sun at a greater distance than Neptune, were found on the edge ...

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.