SUNSET: 
Planning the New Horizons Exploration of Ultima Thule
Alan Stern, principal investigator of NASA's New Horizons mission, gives a detailed preview of what the spacecraft will be doing in the days up to, during, and after the impending flyby of the Kuiper Belt Object 2014 MU69.
Osiris-REX Arrives at Asteroid Bennu
NASA's ambitious Osiris-REX mission will now spend the next couple years surveying Bennu before attempting to return a sample to Earth.
Insight Lander Touches Down on Mars
After a safe landing, NASA's first dedicated geophysical mission to Mars will spend the next two years studying the deep interior of the Red Planet.
Jezero Crater Selected as Landing Site for Mars 2020 Rover
NASA's next Mars rover will explore a geologically diverse crater that may once have been flooded with water, a crucial ingredient for the mission's search for evidence of past life.
New Horizons On Approach to the First Exploration of a Kuiper Belt Object
Take a look behind the scenes as the New Horizons team gears up for the historic first flyby of a body in the remote Kuiper Belt, in this first of a four-part series from the mission's Principal Investigator Alan Stern.
Dusk for Dawn: NASA's Groundbreaking Mission Comes to an End
After 11 Years, NASA's Dawn mission to explore Vesta and Ceres is about to come to an end.
The Kepler Space Telescope Comes to an End
NASA's planet-hunting telescope has run out of fuel after a nine-year mission that found more than 2,600 planets orbiting other stars along with thousands more worlds yet to be confirmed.
After Brief Shutdown, Hubble Goes Back to Work
Following three weeks of downtime, engineers have cleared out a mechanical blockage in one of Hubble's gyroscopes and returned the observatory to full science operations.
Mission to Mercury Launches
The BepiColombo spacecraft, Europe's first mission to Mercury, rocketed away from Earth to begin its seven-year trek to the innermost planet.
Voyager 2 Approaches Interstellar Space
An increase in cosmic rays indicates that Voyager 2 is approaching the heliopause, where the solar wind gives way to the interstellar medium.
Hubble Hibernates After Minor Breakdown
A failure of a gyroscope used to point and stabilize the Hubble telescope caused the observatory to safely shut down while engineers determine a fix.
MASCOT Deploys from Hayabusa-2, Lands on Ryugu
The boxy robotic lander MASCOT delivered photos and other data from asteroid Ryugu during a brief 17-hour stay on the asteroid's surface.
Titan Dust Storms Pose Challenges for Future Spacecraft
Future missions to Saturn's moon Titan may have to contend with blowing particles and higher-than-expected winds from recently discovered dust storms.
Touchdown: Hayabusa 2 Deploys Rovers to Explore Ryugu
The Japanese Hayabusa 2 spacecraft dispatched the first of a set of smaller missions that will explore asteroid 162173 Ryugu.
Dawn Probes Role of Cryovolcanism on Ceres
A recent analysis of data from NASA's Dawn spacecraft reveals the role of cryovolcanism past — and likely present — on the giant asteroid Ceres.
Jupiter’s Magnetic Field Has Weird Structure
Juno observations reveal that Jupiter’s magnetic field has a wacky plume.
Osiris-REX's First Views of Asteroid Bennu
NASA's Osiris-REX asteroid sample return mission spies target Bennu for the first time. Now the spacecraft is setting up for its close approach in December.
Direct Evidence of Water Ice at Moon's Poles
After more than a decade of tantalizing but inconclusive hints, new research shows convincingly that patches of water ice lie exposed on the floors of many permanently shadowed lunar craters.
Rover Call Home: NASA Listens for Opportunity's Wake-up
The Opportunity rover fell silent in June after nearly 15 years of work on the Red Planet. Now the dust storm that prevented its batteries from charging is clearing.
NASA's Parker Solar Probe Launches to "Touch the Sun"
The unique Parker Solar Probe launched on Sunday, August 12th, set to fly faster and come closer to the Sun than any spacecraft before it.
