Stories, updates, insights, and original analysis from The Planetary Society.
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.
Award-winning astrophotographer Adam Block shares some of his latest images highlighting some hidden gems.
Emily Lakdawalla takes us on a tour of the spacecraft currently exploring from within our solar system. All planets and spacecraft locations are shown at their location for April 1st, 2019.
If you're expecting to gather with extended family on Thanksgiving, avoid the politics. Here are some conversation starters to use at the dinner table that everyone can engage in.
Peter Rosén shares an amazing animation of Jupiter made from more than 1,000 images taken by 91 amateurs from around the world.
Jake Rosenthal takes us on a tour of the history of discovery of our place in the cosmos.
The third-largest object known beyond Neptune, 2007 OR10, has a moon. The discovery was reported in a poster by Gábor Marton, Csaba Kiss, and Thomas Mueller at the joint meeting of the European Planetary Science Congress and the Division for Planetary Sciences of the American Astronomical Society (DPS/EPSC) on Monday.
Pluto’s small moons have unusual rotation rates and states. Now we know a moon of another dwarf planet does as well. Is there a connection?
Processing Hubble data presents a host of challenges, and the first of these has nothing to do with processing at all.
The solar system beyond Neptune is full of worlds hosting moons. Now we know that the dwarf planet Makemake has one of its very own.
A summary of Jupiter's changing face as seen from Earth during its 2014/2015 apparition.
What is the solar system moon with the densest atmosphere? Most space fans know that the answer is Titan. A few of you might know that Triton's is the next densest. But what's the third? Fourth? Do any other moons even have atmospheres? In fact, they do; and one such atmosphere has just been discovered.
A newly published paper confirms a subsurface ocean at Ganymede. An ocean there was already suspected from its magnetic field and predicted by geophysics; new Hubble data confirms it, and even says it is in the same place we thought it was before. Such consistency is rare enough in planetary science to be worth celebration.
Ted Stryk showcases some of his processed versions of recent Hubble Space Telescope views of Mars.
Ever since I first learned about the capabilities of Mars Orbiter Mission's small payload of science instruments, I have been anticipating one type of data in particular: global color views of Mars captured in a single 2000-pixel-square frame. Just days after entering orbit, Mars Orbiter Mission has delivered on that promise.
Will New Horizons have a mission after Pluto? Ground-based searches have failed to turn up anything that New Horizons can reach. Now Hubble is joining the search, but time is running out: a discovery must be made within the next two months.
Hubble has taken some great new images of our 'friend,' Comet Siding Spring, due to pass by Mars at less than 136,000 km on October 19 – less than half the distance between Earth and our moon.
Why didn't we discover Pluto's moons until more than a decade after Hubble launched? Mark Showalter helps me answer this question.
The astronomy world is all a-twitter this morning over the discovery of a new supernova in M82, a galaxy that's in our astronomical backyard,
I don’t get much snow in southern California, but I do spend a lot of my time thinking about college snowball experiences and about the snowball fights that have made the objects of the outer solar system.
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