NASA's New Horizons spacecraft pulled off the most distant exploration of another world Tuesday, skimming past a tiny, icy object 4 billion miles from Earth that looks to be shaped like a bowling pin.

(Reuters) - NASA's New Horizons explorer successfully "phoned home" on Tuesday after a journey to the most distant world ever explored by humankind, a frozen rock at the edge of the solar system that ...

LAUREL, Md. — As NASA’s New Horizons spacecraft zips past a small, distant icy world early on New Year’s Day, at 12:33 a.m. Eastern time, there will still be a nagging question for people working on ...

The New Horizons team will have to wait 20 months for all of the spacecraft’s data and images to return to Earth, but here is what they’ve learned so far. What We've Learned About Ultima Thule From ...

Ultima is located a billion miles beyond Pluto in the Kuiper Belt, a region beyond Neptune home to countless icy asteroids. In medieval times, "Ultima Thule" referred to any far away place beyond the ...

Now scientists await a bounty of new data about the small, mysterious icy body, the most distant object ever visited. By Kenneth Chang The probe that visited Pluto will study a mysterious icy world ...

When NASA's New Horizons spacecraft sped by Pluto in 2015, it revealed an incredible world of ice and haze carved by various geological processes — hinting that an ocean may have played a role in the ...

NASA's New Horizons is about to encounter the farthest object ever explored by a spacecraft — Ultima Thule. The frigid hunk of ice and rock is more than 4 billion miles (6.4 billion km) away, so far ...