"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

The world’s premier space observatory has spotted a mysterious and huge, free-floating planetary-mass object that’s “just 20 ...

An international team of astronomers reports the detection of two new brown dwarfs orbiting distant stars using NASA's ...

IT’S been nearly 40 years since the first planet outside of our Solar System was discovered. Since then, more than 5,800 weird and wonderful worlds across 4,300 planetary systems have been ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

Apropos of its reputation for living large and betting big, Jupiter is the largest planet in our solar system. Jupiter is the Roman equivalent of god daddy Zeus, and we can think of the planet as ...

The largest ... NASA's Hubble Watches Jupiter's Great Red Spot Behave Like ... Astronomers Spot a 'Highly Eccentric' Planet on Its Way to Becoming a Hot Jupiter July 17, 2024 — The newly ...

If you find Jupiter, you’ll likely see four small dots to the side of the gas giant: they are the Galilean moons, four of the 95 natural satellites around the Solar System’s largest planet.

Saturn was already the reigning champion in the moon department. Now, with 274, Saturn has more moons than all the other ...

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s ...