Comet 67P’s nucleus was born when two became one.
A fresh batch of high-resolution images from NASA's New Horizons spacecraft shows that Charon, Pluto's largest moon, has endured a lot.
Planetary scientist Alan Stern continues his exclusive series of blogs with details of what awaits the New Horizons spacecraft when it reaches its next objective.
Thanks to the Rosetta spacecraft, researchers can follow the cycle of water escaping from the nucleus of Comet 67P/Churyumov-Gerasimenko.
New maps from NASA’s Dawn spacecraft reveal more about both the landscape and composition of the largest asteroid.
Scientists have confirmed that water-soaked salts likely create dark seasonal lines on Mars.
A pair of poster-size lunar maps, produced by the U.S. Geological Survey, let you roam around the Moon's surface and explore the lunar landscape.
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.
Astronomers have detected waves working together in the solar atmosphere, potentially heating the gas through turbulence.
Does your version of stargazing involve pointing your telescope at the Sun? With the right equipment, you can aid a project that aims to catch a solar flare in the act of erupting. The observing campaign is coming up soon: September 19 - 27, 2015.
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.
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.
Pictures are great, but there's nothing like holding another world in your hands to appreciate its unique characteristics. True confession: even from childhood, I have always been a map junkie. Sure, I use GPS these days, but my car is still stuffed with road maps. The National Geographic Atlas of the World is not...
Scientists have discovered an ancient lakebed on Mars.
Do sunspots affect climate change? How can you name an exoplanet? Here are the latest results from the world's largest astronomy conference.
Students captured some amazing videos of near-Earth asteroids this past month, demonstrating a powerful tool for learning about some of our nearest celestial neighbors.
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.
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.
Amidst all the excitement of seeing Pluto’s unique features for the first time, NASA researchers have been using unofficial names to talk science until official terms come down the pipeline.
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.