New Horizons encountered Ultima 6.5 billion km from Earth. The event set a record for the most distant ever exploration of a Solar System object. The previous mark was also set by New Horizons ...

To overcome this, scientists turned to the New Horizons spacecraft, currently over 5.5 billion miles from Earth. Its Long-Range Reconnaissance Imager (LORRI) provided a unique vantage point ...

In 2006, the year New Horizons was launched, Pluto vanished from the list of planets and reappeared as a “dwarf planet.” That, of course, had more to do with astronomers on Earth than any ...

Here's a look at the most exciting missions planned for the coming year, which will expand humanity's horizons even further ... to study lunar geology, test new technologies for future human ...

The New Horizons spacecraft which made a close flyby of Pluto in 2015 and is now a little over 7 billion km from Earth is expected at some point to try to repeat Voyager's photographic feat.