As the most massive planet in the Solar System, and first to form, Jupiter’s gravity shaped the formation of everything else.

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

Scientists provided a detailed look into Jupiter's primordial state and their calculations revealed that Jupiter was ...

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

Recent calculations suggest that Jupiter, our solar system's largest planet, was once more than double its current size.

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

Jupiter wasn’t always the planet we know today—it was once twice as big, had a magnetic field 50 times stronger, and its ...

This week, a beautiful lineup of Saturn, Venus and the moon will rise before the sun, and adorn the night sky. All three ...

JWST uncovers unexpected behavior in polar lights on Jupiter, while a Mars rover captures the first image of an aurora.

15, 2025 — Observations of Jupiter show that ammonia is unevenly ... its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light ...

Our solar system’s largest planet stands just north of Zeta Tau, the tip of one of Taurus the Bull’s two horns.

"Rings are mostly made of ice and small rocks," said William Saunders, a planetary scientist at NASA's Langley Research ...