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.

Astronomers have calculated that the gas giant Jupiter used to be twice as big as it is now, based on the odd orbits of two ...

Astronomers have discovered that the Jupiter, the largest planet in our Solar System, was once so big that it could have held ...

NASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest and most intriguing rocks on the Red Planet.

According to their work, Jupiter's radius was once two to two-and-a-half times its current radius—large enough to contain ...

Naturally, the aurora on our solar system's largest planet is hundreds of times brighter and more energetic than our own Northern lights.

Scientists believe such an extreme orbit means the object was pushed and pulled by the gravity of giant planets like Jupiter ...

Scientists may have solved the mystery of why the moon shows ancient signs of magnetism although it has no magnetic field today. An impact, such as from a large asteroid, could have generated a cloud ...

NASA’s Juno spacecrafthas once again delivered breathtaking images of Jupiter, capturing the giant planet’s swirling storms ...

A Europa Lander prototype was just successfully field tested on Alaska's Matanuska Glacier to simulate the icy conditions of ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

While the moon once had a weak magnetic field generated by a small molten core, the team's research suggests it likely wouldn ...