A new paper examining and simulating the formation of wide-orbit planets has put the chances of our own Solar System ...

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.

Webb has captured a frigid exoplanet in a wildly tilted orbit, revealing a system shaped by past planetary violence and ...

Astronomers anticipate an unprecedented view of the solar system as the Rubin Observatory begins to scan millions of hidden ...

Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger ... that early Jupiter was at least double its contemporary size. The primitive version of the gas giant could have ...

According to current models, stars of this size should typically host smaller planets, similar to Earth or Mars. However, the planet found orbiting TOI-6894 is as large as Saturn, the second-largest ...