When NASA's New Horizons spacecraft flew by Pluto five years ago this week, it captured detailed views of the mysterious icy dwarf planet on the edge of our solar system. Since then, data gathered ...

FLAGSTAFF, Ariz. (AP) — The observatory where Pluto was discovered is taking full advantage of a flyby of the icy dwarf planet Tuesday with astronomy-themed face painting, an extra Pluto presentation ...

For decades, Pluto remained one of the most mysterious objects in our solar system, until July 14, 2015, when NASA's New Horizons spacecraft became the first mission to visit it up close, capturing ...

The New Horizons spacecraft passed Pluto on Tuesday, according to NASA, establishing that mankind — or at least one of its robot probes — has now visited the far reaches of our planetary system. “It’s ...

CAPE CANAVERAL, Fla. – Little Pluto is a little bigger than anyone imagined. On the eve of NASA's historic flyby of Pluto, scientists announced Monday the New Horizons spacecraft has nailed the size ...

CAPE CANAVERAL, Fla. (AP) — We've made it to Pluto by NASA's calculations, the last stop on a planetary tour of the solar system a half-century in the making. The moment of closest approach for the ...

CAPE CANAVERAL, Fla. – We've made it to Pluto by NASA's calculations, the last stop on a planetary tour of the solar system a half-century in the making. The moment of closest approach for the New ...