Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons as well. While some TNOs could be called dwarf planets because of their size, many more are tiny and don’t even come close to falling into that category.

Saturn now leads the solar system with 274 known moons. Scientists say many moons formed from past collisions.

The US astronauts stranded on the International Space Station are home at last — more than nine months after their days-long jaunt into orbit turned into a headline-grabbing space odyssey.

Both 887 Alinda and 2024 YR4 orbit the sun three times for every time the massive planet Jupiter goes around once ... approach (farther than the moon) in 2052, and beyond that, calculations are not very accurate. Although Earth is a small target in ...

The alignment only happens at special times, and that’s because the orbit of the Moon around the Earth is slanted with respect to the orbit of the Earth around the Sun. The Moon crosses the orbital plane of the Earth twice and these are called nodes. When the nodes are near the full Moon or the new Moon, then you can have a lunar or solar eclipse.

Spain, and the northern hemisphere in general, will be able to see a partial solar eclipse. In Spain, it will begin at 10:48 a.m. and last approximately 21

When Philips launches as part of a privately funded SpaceX crew from Kennedy Space Center as early as Monday on a never-before-attempted orbit around Earth's ... to fly to the moon and Mars ...