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Stories, updates, insights, and original analysis from The Planetary Society.
Europa Clipper launches on its journey to Jupiter’s icy moon
NASA’s Europa Clipper spacecraft launched today aboard a SpaceX Falcon Heavy rocket from NASA’s Kennedy Space Center in Cape Canaveral, Florida.
Hera launches to study the aftermath of an asteroid deflection test
The European Space Agency’s Hera spacecraft launched on Oct. 7, 2024, from Cape Canaveral, Florida. It will travel to the Didymos-Dimorphos asteroid system to study the aftermath of the first-ever field test of an asteroid deflection technique.
Europa Clipper: A mission backed by advocates
Europa Clipper will soon head for Jupiter's icy, potentially habitable moon. Without the advocacy efforts of The Planetary Society and our members, the mission may never have been possible.
How to spot Comet Tsuchinshan-Atlas
Catch this once-in-a-lifetime comet over the next few days.
The Hera launch: What to expect
The European Space Agency (ESA) is preparing to launch a mission to study the aftermath of DART's impact on the asteroid moonlet Dimorphos.
Could Europa Clipper find life?
For a mission that doesn’t aim to find alien life, Europa Clipper may come surprisingly close.
The Europa Clipper launch: What to expect
NASA is preparing to launch its flagship mission to explore Jupiter’s moon Europa. Launching sometime in October 2024 and arriving in 2030, the mission will explore the icy world with a subsurface ocean that scientists think could have conditions favorable to life.
Connecting ancient life to other worlds
Looking to the past to guide the search for life.
The Tianlin Space Telescope
China is in the early stages of planning a huge space observatory to help answer the matter of whether we are alone in the galaxy.
Why the “habitable zone” doesn’t always mean habitable
The habitable zone is a useful concept in astrobiology, but it can sometimes paint an over-simplified picture of planetary habitability.
Ramses: A new mission racing to land on asteroid Apophis
When a skyscraper-sized asteroid narrowly misses Earth in 2029, three spacecraft may be along for the ride.
Mars may host oceans’ worth of water deep underground
The tentative discovery hints at an habitat where life could potentially thrive.
Eureka? Scientists’ first hints of life on other planets may not be so obvious
Knowing that you've found signs of life beyond Earth may not be as clear-cut and simple as one might think.
NASA discovers Mars rock with ancient potential for life
A single 3.5 billion-year-old rock shows signs of all the conditions life needs to thrive.
Does Jupiter protect Earth from asteroids and comets?
Jupiter has often been thought to protect the inner Solar System from asteroids and comets, but new research has shown that the giant planet may actually increase the risk of an impact.
Why does Jupiter spin so fast?
The gas giant is the Solar System's largest planet. Here's why it's also the fastest-spinning planet.
How soon will Starship fly?
One rocket could decide how soon humanity returns to the Moon — and maybe one day sets foot on Mars.
Challenges facing the human exploration of Mars
From the dangers of radiation to the complications of landing a crewed spacecraft, there are myriad technical challenges facing human exploration of Mars.
What would it be like to stand on the surface of Titan?
If you could visit Titan, you'd be in for a very alien experience.
What are binary asteroids?
Binary asteroid systems can be found near Earth, in the main asteroid belt, beyond Neptune, and more.