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

Astronomers have discovered a mysterious dwarf planet, 2017 OF201, far beyond Pluto. This discovery challenges existing ...

Scientists have discovered a mysterious new object far beyond Neptune, and it could be one of the most distant dwarf planets ...

In the cold, distant reaches of the Solar System, far beyond Pluto, astronomers have just identified what could be a new ...

Scientists have identified a new minor planet beyond Pluto, enhancing our knowledge of the solar system's outer boundaries. The celestial body, designated as 2017 OF201, ranks among the largest ...

Astronomers have found a large world of ice and rock circling the Sun beyond the most distant planet ... But that is not to say that a new planet could not be found. Experts say there could be a Pluto ...

The probe’s arrival at the dwarf planet nine years later was a stunning moment in space exploration, with New Horizons returning breathtaking images of a surprisingly complex world of craggy ...

This illustration provided by NASA shows the New Horizons spacecraft. NASA launched the probe in 2006; it’s about the size of a baby grand piano. NASA’s New Horizons spacecraft is set to fly ...

Cheng, together with graduate students from Princeton University, discovered the potential dwarf planet while searching for ...