They've so far found 154 objects in the direction that New Horizons is headed, including about 20 ... have completely redrawn the map of the outer solar system. The new results from the SDC ...

The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...

Located inside galaxies, these cosmic arrangements are made up of at least one star and all the objects that travel around it, including ... you’d find the solar system. Astronomers believe ...

These ancient minor planets are called trans-Neptunian objects (TNOs), and they date back to the formation of the solar system ... compounds necessary for life, including sugars — on TNOs.

The outer solar system is a vast and ... discovery of a dozen new rocky objects lurking beyond the Kuiper Belt. These hefty space rocks, which are likely all asteroids, are located around 10 ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

And tantalizingly, what they found suggests that our solar system may already be flooded with visitors from the star system, which is about 4.25 light years away. These objects range from ...

A brand-new group of frozen objects, orbiting the sun out beyond ... The architecture of the solar system, including the asteroid belt and the Kuiper Belt, was determined by the processes that ...

Our solar system may have a ninth planet after all ... bodies -- including comets and dwarf planets -- which stretches from Neptune and outward toward interstellar space. Six known objects ...