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Stories, updates, insights, and original analysis from The Planetary Society.

Ina irregular mare patch

That’s a mare

An unusual lunar feature, Saturn’s shining rings, and Mars’ complex gullies.

First sample depot on Mars

What’s going on with Mars Sample Return?

NASA's biggest science project is undergoing an unprecedented second independent review amidst growing cost estimates and daunting technical and managerial challenges.

Mercury transit and sunspots

Red hot space

This week’s roundup of space news and exploration inspiration will leave you seeing red (in the best way possible).

Terraformed Mars

Your guide to water on Mars

Mars used to have oceans, lakes, and rivers. Where did the water go, how much is left, and how can we use it for science and exploration?

Mars from Tianwen-1

Tianwen-3: China’s Mars sample return mission

China's Tianwen-3 aims to be the first to collect samples from Mars and deliver them to Earth, potentially landing back home two years ahead of the NASA and the European Space Agency MSR project

Ryugu in 3d brian may

Space rocks!

Rock stars love space, and who can blame them! Take a look at awesome images, exciting science, and the connection between music and exploration.

Jwst jupiter auroras

It’s a team effort

Robots, scientists, citizens, and artists team up to explore the Cosmos in this week’s Downlink.

Curiosity selfie cropped

Rather remarkable robots

The robotic explorers of our Cosmos are truly impressive, as showcased by several spacecraft this week.

Hug asteroid detection

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.