NASA rings in New Year with historic flyby of faraway world

NASA rang in the New Year on Tuesday with a historic flyby of the farthest, and quite possibly the oldest, cosmic body ever explored by humankind—a tiny, distant world called Ultima Thule—in the hopes of learning more ...

NASA spaceship closes in on distant world

NASA's unmanned New Horizons spacecraft is closing in on its historic New Year's flyby target, the most distant world ever studied, a frozen relic of the solar system some four billion miles (6.4 billion kilometers) away.

New Horizons spacecraft takes the inside course to Ultima Thule

With no apparent hazards in its way, NASA's New Horizons spacecraft has been given a "go" to stay on its optimal path to Ultima Thule as it speeds closer to a Jan. 1 flyby of the Kuiper Belt object a billion miles beyond ...

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