Earth lives in a shooting gallery, with small and large rocky bodies in abundance in our solar system. Are we in danger of ...

The Vera C. Rubin Observatory is expected to find millions of unknown objects in our solar system, and perhaps even a ...

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar ...

Scientists at Rice University believe there’s a 40% chance that a mysterious ninth planet — Planet Nine — could be orbiting far beyond Neptune and Pluto in the icy Kuiper Belt. This potential ...

Researchers in the US have suggested there is a 40 percent chance a ninth planet could exist in our solar system. Planet Nine ...

Amazon's next group of Kuiper satellites could soon launch from Florida, propelling the company closer to providing internet ...

Amazon's next group of Kuiper satellites could soon reach orbit, propelling the company closer to providing internet to ...

This finding has opened up new avenues for understanding the early universe and the origins of water on our planet ...

For decades it was thought that water was prevalent in the outer reaches of the Solar System early in its history, with comets and asteroids delivering moisture to Earth and the inner planets during ...

WASHINGTON >> Scientists have identified an object about 435 miles wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a ...

Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the existence of a theoretical Planet Nine.