Early image of Ultima Thule revealed, providing hints on its shape

Engineers suspect a piece of foreign object debris may be intermittently stalling a motor needed to place the Curiosity Mars rover’s drill bit onto rocks, and the robot’s ground team is assessing the source of the potential contamination.

With meandering canyons four times as long, and twice as deep, as the Grand Canyon in the American Southwest, the crust of Pluto’s moon Charon may have been shaped by violent eruptions and geology once thought improbable for a small body in the far depths of the solar system, scientists said Thursday.

The United Launch Alliance Delta 2 was launched Saturday at 6:22 a.m. local time with NASA’s Soil Moisture Active Passive (SMAP) satellite from Vandenberg Air Force Base in California.