From launch to the scheduled flyby on July 14, New Horizons has sent back images of Jupiter and its moon Io, Neptune, and now Pluto and its moon Charon.
Men and women on the ground worked around the clock to save their colleagues in the sky.
NASA released a new video simulating a fly by of Ceres, based on images taken by its Dawn spacecraft.
NASA has launched a “Journey to Mars” challenge to get input and is offering $5,000 or more to up to three winners.
After four years in orbit around Mercury, the spacecraft is “out of fuel and under gravity’s spell.”
New technology could let astronauts print shelters and food, says NASA’s 3D printing chief.
Scott Kelly’s time on the ISS will prepare us for our deepest space explorations yet.
A signal from NASA's Dawn confirming the first-ever successful entry into orbit of a dwarf planet came back at 8:36 a.m. on Friday.
Robert Frost, instructor/engineer in the Flight Operations Directorate, talks about how astronauts would deal with a leak.
It’s the best look we've yet had of the dwarf planet.
The North Korean regime tries to find the silver lining in a much-circulated satellite image.
Scientists speculate that the Beagle 2 spacecraft broke upon landing on Mars on Christmas Day 2003.
The first meteor shower of 2015 peaks tonight.
Images of recent severe weather, solar flares and holiday lights provide a unique perspective on the world.
NASA’s test flight launched early Friday morning and successfully splashed back down in the Pacific hours later.