Space around the Sun contains far more than planets. Scattered through it are smaller bodies made of rock, metal, ice and ...

The biggest planet in our Solar System just got a little smaller. Okay, not physically, but our measurements of Jupiter just got more precise, and it turns out there's slightly less of the giant than ...

Between 7 satellite fly-bys and 2 dedicated missions, you'd think our knowledge about Jupiter would be pretty solid, but we're still learning more.

Jupiter is often imagined as a failed star, leading to the question of whether it could ever be ignited. Despite its massive size, the planet lacks the pressure and temperature needed to trigger ...

Jupiter, the largest planet in the solar system, isn’t exactly the size and shape scientists believed it was. New measurements from the Juno spacecraft show ...

A distant star dimmed by 97% for nearly 200 days. Astronomers say giant rings around a brown dwarf or super-Jupiter may explain it.

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust ...

Their observations of a faint, cool M-dwarf star called LHS 1903 revealed a system with a rocky world at its outer edge. LHS ...

A star returning to the solar system after bizarrely disappearing for nine months. And not just any star, ASASSN-24fw is twice the size of the sun — so when astronomers were having trouble spotting it ...

A city-sized green comet, C/2024 E1 (Wierzchoś), is approaching Earth and will soon be ejected into interstellar space, ...

Jupiter, the largest planet in our Solar System, has just gotten a bit smaller, at least according to the latest data. New ...

A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...