SUNSET: 
The Frozen Plain of Pluto
New images from NASA's New Horizons spacecraft reveal an ice-covered plain on Pluto that looks remarkably young and fresh.
Pluto and Charon Dazzle with Diversity
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 Scans Pluto as Earth Awaits
New Horizons flew past Pluto and its moons earlier today, but the spacecraft stayed out of contact with Earth while finishing its historic observations.
New Horizons Buzzes Pluto
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.
Pluto and Charon: The Odd Couple
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.
Naming Pluto’s Features
How will planetary scientists decide what to call the features they discover on Pluto and its moons?
Glimpsing Pluto’s Curious Equator
Here’s a taste of what New Horizons hopes to resolve when it passes by Pluto next Tuesday, July 14th.
New Horizons Hiccups, Goes into Safe Mode
Just 10 days before its history-making flyby of Pluto and its moons, NASA's New Horizons spacecraft briefly lost communication with Earth.
SOFIA Dashes into Pluto's Shadow
Despite an 11th-hour scramble due to an unexpected in predictions, NASA's flying observatory was in the right place at the right time on June 29th as distant Pluto briefly covered a 12th-magnitude star.
Rosetta Spots Sinkholes on Comet
The spacecraft orbiting Comet 67P/Churyumov-Gerasimenko has found 18 holes in the nucleus's surface.
Do We Need "Asteroid Day"?
Are we really doing enough to find asteroids, especially the smaller ones that could destroy a city? A private initiative urges a rapid ramp-up of the search effort — but not everyone agrees.
Volcanoes on Venus: Active or Not?
Hotspots on Venus might be researchers’ long-sought evidence for active volcanoes.
The Moon’s Mysterious Twilight Dust Clouds
Observations from NASA’s Lunar Atmosphere and Dust Environment Explorer (LADEE) have rekindled interest in dust clouds seen along the Moon’s day-night terminator.
It's Always "Pluto Time" Somewhere
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.
The Glint of Martian Glass
Scientists have detected glass in Martian craters, created by the fierce heat of impacts that melted the Red Planet’s surface.
Asteroid Tour: Fly Over Ceres
Visit the dwarf planet Ceres in this video animation created from images taken by NASA’s Dawn spacecraft.
Close-Up of Saturn’s Moon Hyperion
On May 31st, the Cassini spacecraft flew by Saturn’s funky moon Hyperion. The resulting images highlight the moon’s unusually pocked surface.
New Insights From Rosetta's Comet Mission
Rosetta continues to help astronomers better understand the way comets form and how they interact with the universe around them.
Pluto's Perplexing Moons
New data on Pluto’s moons show that the system is more bizarre than previously thought.
What Will New Horizons See — and When?
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.
