This model of solar system formation is known as the nebular hypothesis. The solar system is structured in a roughly flat plane called the ecliptic, with most planets orbiting the sun in the same ...

Astronomers have discovered a mysterious dwarf planet, 2017 OF201, far beyond Pluto. This discovery challenges existing ...

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.

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

To better understand Jupiter’s primordial stages, researchers turned to the tiniest of the planet’s 92 known moons. Almathea ...

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

It is the largest object in the Solar System, but recent studies suggest it was once even twice as large as it is today.

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

Astronomers have found a new minor planet beyond Pluto. This object, named 2017 OF201, is quite large. It orbits far from the ...

Jupiter's early evolution and gravitational influence played a crucial role in shaping the solar system's structure and ...

“The host filament can shield the young Solar System from stellar feedback, both during the formation and evolution of stars (stellar outflow, wind, and radiation) and at the end of their lives ...