The Keck Observatory and NASA’s Hubble Space Telescope may have uncovered a "potential three-body system in the Kuiper Belt," ...

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

In an exciting breakthrough in planetary science, a recent study has increased the likelihood of Planet Nine’s existence by ...

Beyond the edge of Neptune, a distant realm of icy debris known as the Kuiper Belt stretches deep into space. This frozen ...

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

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

When the Sun expands into a red giant, it will swallow the inner solar system and raise the temperature in the outer regions.

The launch of the second batch of satellites from Amazon's Project Kuiper on Monday has been postponed. The launch was ...

Elon Musk has long dominated the internet-providing satellites business with regular SpaceX Starlink launches. Now, Jeff ...

The spaceflight company released footage on Saturday showing the rocket’s upper stage -- called the Starship -- being moved ...

For decades it was thought that water was prevalent in the outer reaches of the Solar System early in its history, with ...