The piano-sized probe is travelling deep into the ring of celestial bodies known as the Kuiper Belt.
04 Jan 2019 6:32 PM
Ultima Thule's surface reflects light about as much as "garden variety dirt.”
03 Jan 2019 8:27 AM
The body is farther from Earth than any other that has had such a close encounter with a NASA probe, scientists believe.
01 Jan 2019 6:37 PM
At 12:33 a.m. Eastern time, the New Horizons probe will arrive at the “third zone” in the uncharted heart of the Kuiper Belt.
01 Jan 2019 1:38 PM
The US space agency will ring in the New Year with a live online broadcast to mark historic flyby of the mysterious object.
31 Dec 2018 1:37 PM