SUNSET: 
What Are Curiosity and Opportunity Up To?
As Schiaparelli prepares to land on Mars, how are the other robotic denizens of the Red Planet doing?
Schiaparelli Lander to Touch Down on Mars
The innovative joint European Space Agency/Roscosmos Schiaparelli lander begins its three day solo journey to the Martian surface this weekend.
Space Rocks Hit the Moon Often
Observations from NASA’s Lunar Reconnaissance Orbiter reveal that the Moon is being pockmarked by meteoroids at a higher rate that previously predicted.
New Object Vies for Kuiper Belt Record
Right now 2014 UZ244 lies nearly 14 billion kilometers away, ranking it third among the most distant objects known in the Kuiper Belt.
Does Dione Have a Subsurface Ocean?
A new analysis suggests that a subsurface ocean might lie deep beneath the crust of Saturn’s moon Dione.
Hints of Geysers Erupting from Europa
Newly released Hubble images show what appear to be towering jets of water coming from Jupiter's moon Europa.
Rosetta's Grand Finale
The historic mission to explore a comet ends in dramatic fashion on September 30th.
Daily Alert for Asteroid Flybys
A new e-digest from the International Astronomical Union’s Minor Planet Center gives the public a head’s up on passing asteroids.
Hubble Watches as Comet 332P Breaks Apart
Back in January, a team of observers had a hunch that Comet 332P/Ikeya-Murakami was rapidly falling apart — and they were right!
Huge Meteorite "Gancedo" Found in Argentina
A team in Argentina unearths a spectacular space rock, possibly the world's third largest single find.
Curiosity's View of Wind-Sculpted Sandstone
NASA's Curiosity rover took time out from its exploration of Mars to capture some dramatic layering in sandstone cliffs.
Juno Makes First Science Pass at Jupiter
On August 27th, NASA's Juno made its closest pass to the giant planet — here's what we learned.
The Return of Stereo B?
Feared lost for almost two years, NASA's Stereo B solar observatory is now back in (tentative) contact with mission control.
Retrograde Rock "Niku" Defies Orbital Trend
The discovery of trans-Neptunian object 2011 KT19 in a strange orbit deepens a key mystery in the outer solar system.
Dawn at Ceres: The Inside Story
Careful tracking of NASA's Dawn spacecraft reveals that Ceres has a rocky core and a thick ice-and-salt crust. Maybe a briny ocean still lies buried inside.
Titan’s Flooded Canyons
Cassini radar observations reveal a channel system on Saturn’s biggest moon, Titan, that is drowned in liquid methane.
Missing Craters on Ceres
The dwarf planet has a paucity of big pockmarks because it has somehow erased them.
Dark Streaks on Mars Revisited
New research on seasonal streaks in Martian canyons provides evidence against underground pools of water.
Kuiper Belt's Big, New, Far-Out Object
First spied last year, an object designated 2015 RR245 turns out to be one of the largest and most distant objects yet found orbiting the Sun.
NASA's Juno Probe Reaches Jupiter
After a 5-year-long journey, NASA's latest emissary to the largest planet in the solar system has arrived at its destination.
