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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
In 1983, Carl Sagan Urged NASA to Send a Mission to Saturn and Titan
Long before the Cassini-Hugygens spacecraft launched in 1997 to explore Saturn and Titan, The Planetary Society urged NASA to make the mission a reality.
NASA to Build New Asteroid-Hunting Space Telescope
The yet-to-be-named telescope would launch as soon as 2024, as part of NASA's new, multi-pronged approach to planetary defense.
Astronomers May Have Found an Interstellar Comet. Here's Why That Matters.
Astrophysicist Karl Battams tells us what we can learn by studying objects from outside our solar system.
India's Vikram Spacecraft Apparently Crash-Lands on Moon
Communications were lost with the lander, which was carrying a small rover named Pragyan to the lunar surface.
The September Equinox 2019 Issue of The Planetary Report Is Out!
A new issue of The Planetary Report brings you our pride in the success of LightSail 2 and our gratitude to our members for making it happen. Plus Venus science from Akatsuki and Venus Express, and the status of planetary defense.
Venus’ Ocean of Air and Clouds
Javier Peralta plumbs the depths of Venus’ atmosphere through the eyes of the Venus Express and Akatsuki orbiters.
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.
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.
What to Expect when Chandrayaan-2 Launches to and Lands on the Moon
A preview guide for India's upcoming Moon mission.
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.
ESA to Launch Comet Interceptor Mission in 2028
With Comet Interceptor, ESA plans to meet a comet on its first trip into the inner solar system. The mission was selected yesterday after a fast-track proposal process and will be developed on a rapid (for ESA) timeline, with a launch planned for 2028.