China advances plans for dual solar system boundary missions China has published coordinated papers outlining dual missions ...

At the far edge of the Solar System, where the Sun’s influence thins into the dark between the stars, a pair of aging spacecraft has stumbled into something unexpectedly fierce. Instead of a gentle ...

At the farthest edge of the Sun’s influence, the Voyager probes have stumbled into something that sounds almost mythic: a sheath of gas heated to tens of thousands of degrees, a kind of invisible ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

Voyager 1, launched in 1977, has traveled farther than any spacecraft in human history. After more than four decades of silent endurance through space, it now sails beyond the orbit of the outer ...

The two stories (here) and (here) are set to be published in the Planetary Science Journal and detail evidence for a cluster of objects just outside of the Kuiper Belt, which is approximately 40 to 50 ...