New maps from NASA’s Dawn spacecraft reveal more about both the landscape and composition of the largest asteroid.
A striking, just-released image from NASA's New Horizons mission shows a crescent Pluto panorama. Dramatic backlighting accentuates the dwarf planet's surprisingly rugged mountains.
Some of the most stunning views of Sunday's partial solar eclipse didn't come from Earth.
NASA's New Horizons spacecraft has returned high-resolution, richly detailed images of Pluto and its moon Charon, revealing surfaces that are confounding in their complexity.
The latest image from NASA's Dawn spacecraft reveals structure in the bright spots on the asteroid 1 Ceres.
Researchers on the ground have combed through a trove of images taken by orbiting astronauts to reveal unprecedented details about light pollution streaming from Earth's major cities.
A small body known as 2014 MU69, found by the Hubble Space Telescope barely a year ago, will be the next destination for NASA's New Horizons spacecraft.
Quadcopters, the four-propellered drones that have become a familiar sight in terrestrial skies, may be the next big thing in space exploration.
It sounds like science fiction, but it's not: NASA's New Horizons mission explored the Pluto system this summer!
New results from the Dawn orbiter show bright spots, a pyramid-shape mountain, and mysterious haze on the dwarf planet Ceres.
Submit names for Hayabusa 2's target asteroid, 1999 JU3. Deadline is August 31st!
New images from NASA's New Horizons spacecraft reveal a bewildering array of geologic features — all carved by or into exotic ices — on the surface of Pluto.
New images from NASA's New Horizons spacecraft reveal an ice-covered plain on Pluto that looks remarkably young and fresh.
In a mission filled with surprises, New Horizons spacecraft has left its scientists awed by the array of landforms and compositions found on Pluto and Charon.
New Horizons flew past Pluto and its moons earlier today, but the spacecraft stayed out of contact with Earth while finishing its historic observations.
NASA’s New Horizons spacecraft whizzed by Pluto this morning just before 8 a.m. EDT at nearly 14 km/s (31,000 mph), about 12,500 km (7,750 miles) above the surface.
With just one day remaining until New Horizons makes its historic flyby, missions scientists are amazed by the views of Pluto and Charon already in hand.
Just 10 days before its history-making flyby of Pluto and its moons, NASA's New Horizons spacecraft briefly lost communication with Earth.
The spacecraft orbiting Comet 67P/Churyumov-Gerasimenko has found 18 holes in the nucleus's surface.
Sunlight on Pluto is only a thousandth as strong as it is here on Earth. With careful timing, you can experience what it'd be like to stand on Pluto at noon.
After seven months of electronic hibernation, Philae has awakened on the surface of Comet 67P/Churyumov-Gerasimenko and resumed relaying its data to Earth.
Visit the dwarf planet Ceres in this video animation created from images taken by NASA’s Dawn spacecraft.
In his third "insider blog" about the New Horizons mission, principle investigator Alan Stern offers a look at the timetable for getting results from the historic flyby.
In his second "insider blog" about the New Horizons mission, principle investigator Alan Stern offers a look at what we might find at Pluto. It sounds like science fiction, but it's not: NASA's New Horizons spacecraft is on final approach to the Pluto system! After 112 months in flight, the fastest spacecraft ever launched...
After four years at Mercury, NASA's Messenger orbiter has finished its remarkable mission and crashed into the planet.