Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...

For example, planetary moons can be split into two groups: regular moons ... additional distant worlds captured from interstellar space by the sun's gravitational pull, known as rogue planets ...

Fountain realized that the 1966 observations were of two separate objects (Janus ... Nitrogen and methane extend around the moon 10 times as far into space as Earth's atmosphere, sometimes falling ...

Firefly Aerospace landed a craft safely last week, a first for a private company. But Intuitive Machines’ mission ended when its lander wound up on its side in a crater.

The infamous 'city-killer' asteroid 2024 YR4, which is large enough to destroy an entire city, still has a 2% chance of ...

Some of Saturn’s other moons were discovered by space voyages, and some during what ... Elsewhere in the Solar System, Earth has one moon, Mars has two, Jupiter has 95, Uranus has 28 and Neptune ...

The slow race of getting NASA’s Space Launch System rocket pieced together for next year’s Artemis II moon mission jumped a ...