"The high quality of the EPIC imagery exeeded all of our expectations in resolution," said Adam Szabo, NASA's DSCOVR project scientist.

Data from Pluto flyby will keep coming in through 2016, but early results raise interesting new questions about the makeup of Pluto and Charon.

Congress is moving to prolong dependence on Russia to launch astronauts, undercut commercial space and squeeze aeronautics research.

Days after the New Horizons flyby of Pluto, our editors discuss the mission’s surprises and discoveries. With the spacecraft sending back just 1% of data it is supposed to collect, scientists are already learning new insights about the dwarf planet, its moons and environs.

A roundup of this week's top aerospace and defense stories you may have missed.

New Horizons spacecraft flies around Pluto and begins transmitting data that will provide new knowledge of the far reaches of the Solar System.

While speeding past Pluto on July 14, the New Horizons spacecraft is already sending back data that sheds light on the features and composition of Pluto and its moons.

As enthusiasm mounts for microgravity research in orbit, the end of the ISS service life looms.