SUNSET: 
NASA to Explore Early Universe, Origins of Life with SPHEREX
The SPHEREX mission will create multiple surveys of the near-infrared sky that will reveal the origins of life and perhaps the universe itself.
Astronomy in Space with David Dickinson
Opportunity Reaches the End of Its Long Road
Despite months of listening, NASA has failed to pick up any signals from the stalwart Opportunity rover.
Speeding Up Plutonium Production for Space Exploration
Automation of a key process may yield an eightfold boost to U.S. plutonium production, a promising development for deep-space exploration.
Saturn Hasn’t Always Had Rings
Analyses of data from Cassini’s final days suggest the rings are a late addition and use them to solve a Saturnian mystery.
How to “See” Interstellar Space Probes
So far, humans have sent five probes into space that are or will go far beyond the solar system: the Pioneers, the Voyagers, and New Horizons. As an exercise in fun, here's how you can find those probes' locations on the sky.
China's Chang'e 4 Lands on the Lunar Farside
China's Chang'e 4 performed a historic first on January 3rd with a soft landing on the farside of the Moon.
New Views of Two-Lobed "Ultima Thule"
Images and other observations taken by the New Horizons spacecraft early on New Year's Day reveal a remarkable (but not unexpected) two-lobed object.
New Horizons Reaches "Ultima Thule"
NASA's outward-bound explorer rings in the new year with the most distant flyby in space-exploration history.
Space Missions to Watch in 2019
Multiple trips to the Moon, physics satellites, and Europe's long-awaited exoplanet explorer are among the space missions on tap for 2019.
Future Planetary Probes Can Learn from Cassini
An unusual water composition at Saturn’s moon Phoebe means that future spacecraft will have to be on the lookout for different water ratios than we are used to on Earth.
Amateurs Help Decide Juno's Path
Ahead of a decision on whether to fly the NASA spacecraft over Jupiter's Great Red Spot, hobbyists back on Earth provided crucial intel about the effects of an intruding disturbance.
Osiris-REX Finds Hints of Past Water on Asteroid Bennu
The NASA spacecraft detected signs of hydrated minerals on Bennu's surface, suggesting that the asteroid's larger parent body once hosted liquid water.
Voyager 2 Enters Interstellar Space
More than 18 billion kilometers from home, Voyager 2 has become the second probe to break through the heliopause, a tenuous boundary between the solar system and the rest of the Galaxy.
Astronomy in Space with David Dickinson
Chang'e 4 Probe Heads to the Lunar Farside
China's latest lunar mission will drop a lander and rover in one of the oldest terrains on the Moon, becoming the first craft to intentionally land on and explore the farside.
SpaceX Launches Orbiting "Sculpture in the Sky" / Comet Update
An art sculpture achieves orbit, 46P/Wirtanen becomes a naked-eye comet, and C/2018 V1 makes one last good pass.
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.
Astronomy in Space with David Dickinson
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.
