The probe will pass by Pluto around 4:50 a.m. PT, capture the first detailed photos of the dwarf planet, and the information should begin to come into NASA at about 6 p.m. PT.

Experience the 2015 astronomical sensation as New Horizons became the first human-made probe to reach Pluto, unveiling the ...

NASA's New Horizons probe flew closer to Pluto than any Earth-craft ever has Tuesday, sending back amazing photos of the dwarf planet. Photos of Pluto leading up to the New Horizons flyby Before ...

As New Horizons makes its closest approach to Pluto on July 14, NASA expects the probe to get clearer, more detailed color images showing surface features as close as a few miles across.

Pluto, once considered the ninth planet of our solar system, has been a topic of intrigue since its reclassification as a ...

Following the spacecraft's big revelation of just how enormous Pluto's moon Charon was in 2013, New Horizons is now within sight of all the known members of the Pluto system, according to NASA.

As New Horizons has closed in on Pluto, it's provided a closer look at Pluto's surface and its moons. In February, the spacecraft took two long-exposure images showing two of Pluto's moons, Hydra ...

The probe, powered by 24 pounds of plutonium, will not land on Pluto but will photograph it, analyze its atmosphere and send data back across the solar system to Earth.

Direct evidence will be needed to confirm the new observations. The most definitive way to confirm the bladed terrain's extension into Pluto's dark side is a future spacecraft mission, Mishra said.