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Stories, updates, insights, and original analysis from The Planetary Society.
Hayabusa2 Lander Mania: Results from MASCOT, Plans for MINERVA-II2
Japan's sample return spacecraft only has about 3 months left at asteroid Ryugu. Its next action will be to drop more stuff on the surface.
Here's How the Large Synoptic Survey Telescope will Revolutionize Small-Body Science
The LSST is expected to increase the number of known small bodies by more than a factor of 10.
Mars 2020 Rover almost Assembled
Last week, technicians installed the carousel that holds the tools and drill bits that will be used to collect samples for future return to Earth.
Chandrayaan-2 Enters Lunar Orbit
The combination lander, rover, and orbiter fired its main engine to enter orbit around the Moon at 09:02 IST (03:32 UTC) on 20 August.
OSIRIS-REx Team Picks 4 Candidate Sample Sites on Asteroid Bennu
The sites each have unique characteristics that would advance the field of asteroid science.
NASA, ESA Officials Outline Latest Mars Sample Return Plans
The current strategy includes the Mars 2020 rover, a lander carrying a rover and ascent vehicle, and an Earth return orbiter.
Chandrayaan-2 Headed for Lunar Orbit
At 02:21 IST (20:51 UTC), the spacecraft fired its main engine, changing its orbit to intersect with the Moon.
Hayabusa2 Nailed its Second Touchdown on Asteroid Ryugu
JAXA's sample collection spacecraft touched down just 60 centimeters away from its aimpoint.
Lunar Orbiter Longjiang-2 Smashes into Moon
Don’t worry, this was a planned end for a tiny satellite that has been a huge success.
Chandrayaan-2 Launches for the Moon
Liftoff atop the country’s GSLV Mk III rocket occurred on 22 July at 14:43 IST (09:13 UTC).
What the Shoemaker-Levy 9 Impact Taught Us
Twenty-five years ago, multiple fragments of comet Shoemaker-Levy 9 crashed into Jupiter, changing the face of the planet and the course of planetary science.
Hayabusa2 makes second touchdown on asteroid Ryugu
Japan's Hayabusa2 spacecraft has touched down on Ryugu for a second time, bagging samples which hopefully contain material from the subsurface of the asteroid.
Planetary Society-funded Technology Picked by NASA for Possible Moon Flight
PlanetVac, a technology that simplifies the process of collecting samples from other worlds, may fly to the Moon.
What to Expect when Chandrayaan-2 Launches to and Lands on the Moon
A preview guide for India's upcoming Moon mission.
Emily's Recommended Kids' Space Books: Special Apollo 11 Anniversary Edition for July 2019
So many Apollo-related books have come out in the first half of 2019 that I decided to cover them in a special summer book-recommendation blog. I have 5 brand-new Apollo-related books to recommend for kids, and include others I've recommended in past years.
InSight Update: A Couple More Tiny Quakes and Heat Probe Progress
InSight has detected a couple more small Marsquakes, and the team has lifted the housing of the heat probe off the ground, exposing the top of the mole in a surprisingly wide hole.
NASA Greenlights Dragonfly, a Quadcopter Mission to Titan
Sporting 8 rotors and a nuclear power source like the Mars Curiosity rover, Dragonfly will launch in 2026 and arrive at Titan in 2034.
OSIRIS-REx Sets Low-Orbit Record, Enters New Orbital B Mission Phase
Last week, NASA’s OSIRIS-REx asteroid sample-return mission announced that they had achieved an orbit above asteroid Bennu with an altitude of only 680 meters. Now they are surveying for landing sites and have invited the public's help.
Apollo 11 Little West Crater Panorama
Apollo 11’S landing on 20 July 1969 was the day humans first set foot on another world. For the risky, challenging endeavor, NASA sought a smooth landing site, one lacking craters or mountains.
Rosetta’s Ancient Comet
Rosetta is a European Space Agency mission with contributions from its member states and NASA. Operating such a complex mission with its 11 instruments and Philae lander is a success story in itself, but Rosetta’s greatest success is the science it delivered.



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