Jupiter
An Ancient Asteroid Smashed Into Jupiter's Moon Ganymede and Tipped It Over, Study Finds
The cataclysmic impactor was 20 times the size of the rock that wiped out the dinosaurs on Earth
This Nearby Exoplanet Is Hot, Dangerous—and Smells Like Rotten Eggs
Located about 64 light-years away from Earth, the world is the first place astronomers have detected hydrogen sulfide outside our solar system
Jupiter's Signature Red Spot May Have Evolved More Than Once
The planet's massive storm, known as the Great Red Spot, seems to be different from a spot first observed at roughly the same location in the 17th century, a new study finds
The Seven Most Amazing Discoveries We’ve Made by Exploring Jupiter
The giant planet is a world of extremes
See the Messages NASA Will Send to Space on Its Upcoming Mission to Europa
A metal plate affixed to the Europa Clipper is engraved with a poem, tributes to scientists and waveforms representing the word "water" in 103 languages, among other drawings
Jupiter's Moon Europa May Have Less Oxygen Than Previously Thought
The new findings could have implications for whether Europa's vast ocean contains the conditions necessary to support life
See Detailed New Images of Io From Another NASA Flyby of the Solar System's Most Volcanic World
The stunning views show lava flows and volcanic plumes, as scientists seek to learn what causes such volatile conditions on the moon of Jupiter
NASA Captures Stunning Images of Jupiter's Moon Io on Closest Flyby in 20 Years
The Juno spacecraft's instruments will help scientists better understand volcanic activity on the volatile moon's surface
What to See in the Sky in January: Meteor Showers, Planets and Comets
From the Quadrantids to a "swarm of stars," here are the celestial spectacles you won’t want to miss this month
Jupiter's Moon Europa May Contain Carbon, a Crucial Ingredient for Life
The James Webb Space Telescope found carbon dioxide on Europa's surface, and astronomers say it likely originated in the moon's vast ocean
NASA Hears 'Heartbeat' From Voyager 2 After Losing Touch With the Distant Probe
The space agency has been trying to contact the 46-year-old craft after accidentally causing its antenna to point two degrees away from Earth
Read the Poem NASA Will Send to Jupiter's Moon Europa
Alongside Ada Limón's words, you can add your name to the spacecraft that will search for life on the icy moon
Saturn May Have Just Won the 'Moon Race' With 62 More Discovered
It will likely reign supreme as our solar system's planet with the most moons from now on, astronomers say
Juice Mission Launches to Explore Jupiter and Its Icy Moons
The spacecraft will investigate oceans that might lie beneath the moons' surfaces and study whether they could support life
How to Watch Five Planets Align in the Night Sky This Week
Mercury, Venus, Mars, Jupiter and Uranus will appear as if in a parade in the Western sky on Tuesday
Japanese American Artists Recall the Trauma of Wartime Incarceration
Smithsonian podcasts explore the legacy of Executive Order 9066 and the camera that almost didn’t make it to the Juno spacecraft launch
Jupiter Reclaims Title of Planet With the Most Moons
After the discovery of 12 new moons, the gas giant now has 92 known natural satellites—and scientists expect to find more
Why Scientists Are Sending Radio Signals to the Moon and Jupiter
Researchers conducted wide-ranging experiments at Alaska's HAARP facility, known for atmospheric research and conspiracy theories
See the James Webb Space Telescope’s Stunning New Images of Jupiter
Its Near-Infrared Camera captured auroras, moons and the Great Red Spot
Europa's Icy Shell May Be Habitable for Life
The moon of Jupiter could have shallow water pockets within its frozen surface
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