Our first impressions of Ultima Thule weren’t entirely accurate. As new data makes the more than four-billion mile journey to Earth, the Kuiper ...

The best image we now have of Ultima Thule (2014 MU69) still isn’t the best image New Horizons captured on its New Years ...

Our first look at Ultima Thule was little more than a smudge. Today, that smudge begins to clear. Have a look at the ...

NASA’s New Horizons probe is closing in fast on its second target, a Kuiper Belt Object (KBO) nicknamed Ultima Thule. And NASA TV ...

The next 5 million(ish) kilometers rest squarely on NASA’s New Horizons shoulders. No more engine burns. Yesterday, the hardy spacecraft entered Encounter Mode ...

NASA’s New Horizons spacecraft is just over four months away from passing within 2,175 miles of 2014 MU69, now nicknamed Ultima Thule. Earlier ...

Fastest spacecraft ever launched at 36,373 miles per hour (when it left Earth orbit)? Check. First to explore Pluto? Already done. First to ...

What was. What is. And what’s coming. NASA recently released a four-minute video touching on some of the discoveries already made by the ...

New Horizons, the fastest spacecraft ever launched, delivered breathtaking images two years ago when it flew just 7,800 miles above Pluto’s surface. The ...

It only took more than a year, but the New Horizons spacecraft has sent the last slivers of data back home. A portion ...

A layered, hazy atmosphere. Blue skies. And clouds? New Horizons scientists are discussing the potential of clouds in Pluto’s skies this week at ...

Every second that goes by, New Horizons is 9 miles closer to its next target – 2014 MU69. New Hubble Space Telescope data ...