An epic 10-year, 3-billion-mile journey from Cape Canaveral to the rim of the solar system is almost halfway complete, and in 2015, NASA’s New Horizons spacecraft will allow us to lay eyes ...

In 2015, the New Horizons space probe found that Pluto was too cold. A quirk of its atmosphere explains why, researchers say.

Pluto, get ready for your close-up: A NASA spacecraft has roused itself from the final slumber of its nine-year trek to the edge of the solar system, setting the stage for the first close ...

Ceres is the largest object in the asteroid belt, and NASA’s Dawn spacecraft will arrive at this dwarf planet on March 6, 2015.. Pluto is the largest object in the Kuiper belt, and NASA’s New Horizons ...

This image sent July 13, 2015, from the New Horizons spacecraft shows the best-ever view of Pluto. A few days later, scientists said the dwarf planet has large frozen plains in its heart-shaped ...

CAPE CANAVERAL, Fla. — The sky over Pluto may not be sunny but it’s undoubtedly blue. NASA’s New Horizons spacecraft discovered Pluto’s blue sky during the historic flyby of… ...

A huge heart-shaped feature on the surface of Pluto has intrigued astronomers since NASA’s New Horizons spacecraft captured it in a 2015 image. Now, researchers think they have solved the ...

At 9:52 p.m. EST (0252 GMT), mission managers confirmed that New Horizons was awake, with all systems functioning normally. The wakeup sets the stage for the probe's flyby of Pluto on July 14, 2015.