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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
Way out there
We’re always learning more about the worlds of the outer Solar System, and even those beyond.
Moonshadow, Moonshadow
The Moon casts shadows on itself and on Earth, environmental concerns overshadow a test launch’s success, and exoplanets are awesome (beyond a shadow of a doubt).
Rocket flight and the five dwarfs
Meet the Solar System’s five official dwarf planets, celebrate two major launches, and find out why planets sometimes seem to go backwards across the sky.
2023 Digital Day of Action recap
The Planetary Society's all-virtual advocacy event was a success, with more than 1,500 advocacy actions taken.
Want more space? Speak up!
Detailed Mars maps, insights into the Venusian surface, and views of Uranian rings all have one thing in common: they don’t happen without public support for space.
A mission to pull back the shroud
VERITAS would peer through Venus’ clouds to study its surface like never before, but it needs your help.
Why we need VERITAS
NASA's first mission to Venus in decades is in danger. This is why VERITAS is worth saving.
Unusual Uranus! Moist Moon! Volcanic Venus!
A planet shows its pole, another shows possible volcanic activity, and the Moon keeps surprising us with more water.
A year in review and a reddish hue
Get ready for a total lunar eclipse and pick your favorites from this year in space.
Rather remarkable robots
The robotic explorers of our Cosmos are truly impressive, as showcased by several spacecraft this week.
Sights beyond the visible
See images your eyes wouldn’t normally be able to see, and learn about what these images can teach you.
Planetary accessorizing
Planets are beautiful and fascinating enough on their own, but there’s no denying that moons and rings add a little something special.
Defend your planet
With so many asteroids out there, it’s up to us to defend our planet from impacts. Find out how you can make a difference.
Persevering through it all
Exploration will always face setbacks, but this week’s Downlink reminds us of the impressive human ability to persevere.
The value of knowledge
Space exploration comes at a cost, but the investment is always worthwhile.
The Space Advocate Newsletter, March 2022
A future with more of our strengths and fewer of our weaknesses.
Dive into these ocean worlds
Intriguing moons that may hide water beneath their surfaces, and what it takes to visit them.
Another Day in Action
115 members of The Planetary Society from 33 states met with 161 congressional offices to support space science and exploration in 2022.
Space brings out the best in us
Space exploration is at its core an optimistic, peaceful and cooperative endeavor. This week we look at some reminders of that spirit of exploration.
Why you should advocate for planetary defense
People like you need to take action to defend our planet from asteroid impacts.