SUNSET: 
Sky & Telescope's Pluto Globe is Here!
This beautifully detailed 6-inch globe lets you explore the amazing geology revealed by New Horizons during its historic 2015 flyby.
Dawn Result: Water is Everywhere on Ceres
New results from NASA's Dawn orbiter show that the largest asteroid (and acknowledged dwarf planet) must possess a global layer of water ice that lies just below its dark, dusty surface.
Curiosity Tracks Mars’s Ancient Habitability
Curiosity scientists have tracked Gale Crater’s changing environment as it became more, then less, acidic over millions of years. Microbial life could have survived in these conditions.
ExoMars Trace Gas Orbiter Gets to Work
Welcome to Mars: the European Space Agency's ExoMars Trace Gas Orbiter sets up shop around the Red Planet.
Amazing Views of Saturn's "Polar Hexagon"
NASA's Cassini spacecraft delivers stunning views from its new orbital perch.
A Basketball-Player-Sized Asteroid
Planetary scientists have pinpointed the size of a near-Earth asteroid to be a mere 2 meters, one of the smallest ever characterized.
The Beginning of the End for Cassini
Cassini's final main engine burn this weekend sets up the first act of a grand finale.
Orbital Path Podcast: In Search of Planet 9
Astronomers are debating the existence of a big planet beyond the orbits of Pluto and Neptune. Dr. Michelle Thaller talks with planetary scientists Scott Shepard and Mike Brown about when we'll discover it.
Clarendon (c): Meteorite Find of a Lifetime
Dug out of a Texas field last year, the second-largest chondrite ever found in the U.S. has been donated to Texas Christian University.
Sputnik Planitia Made Pluto's "Heart" Wander
A big, nitrogen-ice-filled basin has apparently caused Pluto's entire crust to shift over time.
Curiosity Finds "Egg Rock" Iron Meteorite
NASA's intrepid Mars rover gets a close-up view of a bizarrely shaped space rock that landed on the lower slope of Mount Sharp.
Near-Earth Asteroid Tally Reaches 15,000
Thanks to two aggressive search programs, the count of near-Earth asteroids has soared past the 15,000-object milestone. (None of them are likely to hit us.)
Jupiter Returns with a Stormy Surprise
The gas giant is emerging in the glow of dawn sporting an tumultuous North Temperate Belt.
Is This Schiaparelli's Crash Site on Mars?
A pair of high-resolution images taken from high above Mars appears to show the impact site of ESA's Schiaparelli lander.
Big Kuiper Object 2007 OR10 Has a Moon
Hubble images reveal a satellite orbiting one of the Kuiper Belt's biggest objects.
ESA's Schiaparelli Lander: Missing in Action
Here's what we know so far about the fate European Space Agency's Schiaparelli mission.
ExoMars Orbiter Reaches Red Planet
After a 7-month journey from Earth and a 139-minute rocket burn, the ExoMars Trace Gas Orbiter has settled in around its new home.
NASA's Juno Suffers Engine Anomaly, Briefly Enters Safe Mode
Engineers have decided to keep the Jupiter probe, Juno, in its current orbit until an issue with its engine can be addressed.
MAVEN’s Mars: in Ultraviolet
NASA’s youngest Mars orbiter has watched clouds grow and detected an ozone accumulation on the Red Planet.
More Evidence for Volcanoes on Venus
Planetary scientists haven't yet witnessed an active volcano on Venus, but a new study pinpoints a likely set of still-warm lava flows.
