A composite of enhanced color images of Pluto (lower right) and Charon (upper left), taken by NASA's New Horizons spacecraft as it passed through the Pluto system on July 14, 2015. (NASA) ...

If it weren't for the new budget, New Horizons could keep exploring the outer reaches of the solar system into the 2030s.

NASA spacecraft had visited all the other planets to study them by that point. In 2001, Stern and his colleagues won a NASA competition to lead a Pluto mission, which took off five years later.

NASA’s New Horizons spacecraft has been used to demonstrate simple interstellar navigation by measuring the parallax of just ...

According to Harch, even though New Horizons passed by Pluto quickly, it was able to take pictures, determine the composition of the planet’s surface and atmosphere and gather data about its moons.

Dr. Kimberly Ennico Smith, deputy on the New Horizons project that will fly by Pluto in July 2015 and then outward into a far distant zone of millions of small, icy bodies called the Kuiper Belt, will ...

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 ...

A composite of enhanced color images of Pluto (lower right) and Charon (upper left), taken by NASA's New Horizons spacecraft as it passed through the Pluto system on July 14, 2015.