All
All
Stories, updates, insights, and original analysis from The Planetary Society.
Happy Holidays. NASA is Shut Down.
A partial government shutdown has shuttered NASA's operations for at least a week. Critical programs like the International Space Station will continue. This is the third shutdown of 2018 and another pointless disruption for the hardworking men and women at the U.S. space agency.
InSight update, sols 1-24: Operations begin, first instrument deployed
It’s been a busy first three weeks on the InSight mission, and they’ve already achieved a major milestone: placing the seismometer on the ground. They've also gathered a self-portrait and 360-degree panorama.
Dawn Journal: Final Transmission
After more than 11 years in deep space, after unveiling the two largest uncharted worlds in the inner solar system, after overcoming myriad daunting obstacles, Dawn's interplanetary adventure has come to an end.
The December Solstice 2018 Issue of The Planetary Report Is Out!
I’m very proud to announce the publication of the December Solstice 2018 issue of The Planetary Report, “Where Life Began.”
Whose stars? Our heritage of Arabian astronomy
For UNESCO World Arabic Language Day, Danielle Adams reconstructs the Arabian night sky.
A Busy Summer
Bruce Betts reports on LightSail 2’s status and looks to the future of solar sailing.
Where We Are on 1 January 2019
Emily Lakdawalla adds several spacecraft but retires several more from her at-a-glance spacecraft locator.
Timing Is Everything
The tradition of giving to charities like The Planetary Society at year’s end often brings up questions about how to make those gifts, as well as their tax implications.
The Making of Life
Michael L. Wong asks how our understanding of the origin of life on Earth informs our search for it elsewhere.
Flying By Home
Vicky Hamilton explores how OSIRIS-REx used its Earth flyby to test instruments on the way to asteroid Bennu.
Total Immersion in the Heavens
Casey Dreier assesses the significance of the Apollo program on its 50th anniversary.
What to Expect When New Horizons Visits 2014 MU69, Ultima Thule
New Horizons is rapidly approaching its New Year’s encounter with the most distant world ever visited, 2014 MU69. Closest approach will be at a distance of 3,500 kilometers at about 05:33 on 1 January UTC.
Planetary Radio celebrates 16 years of PB&J
Planetary Radio host Mat Kaplan has spent sixteen years sharing the “passion, beauty, and joy” of space exploration with the world. We picked our sixteen favorite episodes to share with you.
Mars Reconnaissance Orbiter Spots InSight Hardware on Mars
Mars Reconnaissance Orbiter has finally spotted the InSight lander, its parachute, and its heat shield resting on the Martian surface. The images confirm the location of InSight's landing site, a little to the north and west of the center of the landing ellipse. The lander is located at 4.499897° N, 135.616000° E.
Mastcam-Z Flight Hardware!
After a more-than-four-year adventure, the flight Mars 2020 rover Mastcam-Z cameras have been fully assembled!
Chang’e-4 Successfully Enters Lunar Orbit
Following a 4.6-day cruise, on 12 December at 8:45 Beijing time (16:45 UTC), the spacecraft arrived in lunar orbit, preparing for a landing in early January.
Curiosity Update, Sols 2163-2256: Hard Times Atop Vera Rubin Ridge
Just after a failed drill attempt at Inverness, Curiosity suffered a serious computer problem. The mission has now recovered by switching computers, and has successfully drilled at Highfield. One last drill site in
News brief: Voyager 2 has passed beyond the heliopause
Voyager 2 is now outside the reach of the solar wind, traveling in the interstellar medium. Unlike Voyager 1, Voyager 2 has a working plasma spectrometer so will be doing exciting new science. It is expected to last another 5 to 10 years, though not with all instruments operating.
News brief: OSIRIS-REx finds water on Bennu
OSIRIS-REx team members held a press briefing today at the 2018 American Geophysical Union meeting, and announced that the mission has already found water on asteroid Bennu.
Liftoff for Chang'e-4!
At 02:22 local time 8 December (18:22 on 7 December UTC), a Long March 3B lifted off from Xichang Satellite Launch Center, carrying the Chang'e-4 lander and rover toward the Moon.



Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Small Bodies