NASA's New Horizons mission team believed their spacecraft would have reached the outer edge of the solar system's so-called ...

The A3 comet comes from the Oort Cloud, a huge "thick-walled bubble made of icy pieces of space debris". It was last seen ...

Space can be a wondrous place, and we've got the pictures to prove it! Take a look at our favorite space pictures here, and if you're wondering what happened to today in space history don't miss ...

New research suggests a star passing close to our solar system billions of years ago could explain the odd orbits of distant celestial bodies and the irregular moons of Jupiter and Saturn. Credit: ...

This possible discovery only highlights how much more there is to learn about our Solar System beyond the reaches of Neptune. New Horizons Spacecraft Flying to Mysterious KBO “Our Solar System ...

And the M-Argo satellite, with a launch planned for 2025, will study the shape, mass and surface minerals of a ...

NASA's testing a solar sail system in space, and the spacecraft that brought the tech there has snapped a photo. On April 23, NASA launched a solar sail protype to orbit around our planet — a ...

On April 23, NASA launched a solar sail protype to orbit around our planet — a piece of technology ... formally called the Advanced Composite Solar Sail System, and stated that the spacecraft ...

This was the first direct visual confirmation of a world beyond our solar system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

"The primordial solar nebula was much larger than previously thought, and this may have implications for studying the planet formation process in our Solar System." The objects in the Kuiper Belt are ...

Ever wonder where the edge of our solar system lies? You have likely assumed it is just beyond Neptune, the farthest planet from our Sun. Yet, according to astrophysicist Susanne Pfalzner of ...

Discoveries by the Subaru Telescope point to an extensive and typical structure of the outer Solar System, potentially reshaping our understanding of planetary formation and aiding the search for ...