As a rule, you can safely assume that moons and asteroids will all orbit a planet in the same direction. If they didn't, interactions with their host would likely send them flying off course. However, it's now clear that there are exceptions to thi...
One of Jupiter’s asteroid ‘moons’ is orbiting backwards
As a rule, you can safely assume that moons and asteroids will all orbit a planet in the same direction. If they didn't, interactions with their host would likely send them flying off course. However, it's now clear that there are exceptions to thi...
Past Neptune, in the outer solar system, astronomers have recently discovered a new mystery object orbiting the sun on a plane nearly perpendicular to the rest of the planets. Adding to the weirdness, the trans-Neptunian object, which has been nickna...
A newly discovered asteroid (not pictured) will make Halloween more thrilling by passing within 1.3 lunar distances (310,000 miles) of Earth. The object, which measures between 300 and 600 meters (1,000 and 2,000 feet) across, was discovered last w...