Caltech
Caltech Center for Comparative Planetary Evolution
Jupiter's Moon Io has been Volcanically Active for Billions of Years Jupiter's Moon Io has been Volcanically Active for Billions of Years
How the orbital inclinations of brown dwarfs reveal clues about their formation. Tilted Orbits
Meteorite Analysis Shows Earth's Building Blocks Contained Water Meteorite Analysis Shows Earth's Building Blocks Contained Water
ancient planet The Remains of an Ancient Planet Lie Deep Within Earth
A New Way to Characterize Habitable Planets A New Way to Characterize Habitable Planets
Alien Life On the Road to Spotting Alien Life
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Jupiter's Moon Io has been Volcanically Active for Billions of Years

A new study presents measurements of Io's volcanic gasses that indicate Jupiter's moons Io, Europa, and Ganymede have been locked into a specific orbital resonance for nearly their entire existence.

Articles

simons, mark
Enceladus Spills Its Guts through Strike–Slip Motion
Jupiter's Moon Io has been Volcanically Active for Billions of Years
Jupiter's Moon Io has been Volcanically Active for Billions of Years
A New Type of Seismic Sensor to Detect Moonquakes
A New Type of Seismic Sensor to Detect Moonquakes
Brinson Exploration Hub Launches New Frontier for Science and Engineering
Brinson Exploration Hub Launches New Frontier for Science and Engineering
How the orbital inclinations of brown dwarfs reveal clues about their formation.
Tilted Orbits
Meteorite Analysis Shows Earth's Building Blocks Contained Water
Meteorite Analysis Shows Earth's Building Blocks Contained Water
A New Way to Characterize Habitable Planets
A New Way to Characterize Habitable Planets
Asteroid Samples Reveal Origins of Organic Molecules in the Early Solar System
Asteroid Samples Reveal Origins of Organic Molecules in the Early Solar System
NASA Mission Reveals Possible Reason Behind Shrinking Exoplanets
NASA Mission Reveals Possible Reason Behind Shrinking Exoplanets
ancient planet
The Remains of an Ancient Planet Lie Deep Within Earth
Alien Life
On the Road to Spotting Alien Life
moon quake
The Lunar Alarm Clock: New Study Characterizes Regular Moonquakes
Two-Faced Star
Two-Faced Star Exposed
Planet Survives
Planet Survives Threat of Engulfment by Its Star
Earth Formed from Dry, Rocky Building Blocks
Earth Formed from Dry, Rocky Building Blocks
Bethany
Moon Gazing: The Long Story of Lunar Research at Caltech
NASA Perserverance
Images From NASA's Perseverance May Show Record of Wild Martian River
Mars meteorite
The Mysterious Origins of Martian Meteorites
mars-jpl
What Will Mars Sample Return Do? “It's an Enormously Long List”
star eats planet
Star Eats Planet, Brightens Dramatically
Terapixel image of mars
Scientists Unveil a 5.7 Terapixel Global Image of Mars
New Auroras Found Glowing in the Skies of Jupiter's Moons
New Auroras Found Glowing in the Skies of Jupiter's Moons
NASA's Perseverance Rover Set to Begin Third Year at Jezero Crater
NASA’s Perseverance Rover Set to Begin Third Year at Jezero Crater
urorae.9
New Aurorae Detected On Jupiter's Four Largest Moons
Rocky planets
How Do Rocky Planets Really Form?
deep minerals
New Results Reveal Surprising Behavior of Minerals Deep in the Earth
JezeroCrater
Rock Samples from the Floor of Jezero Crater Show Significant Contact with Water Together with Possible Organic Compounds
Keck Observatory's Newest Planet Hunter Puts Its Eye on the Sky
Keck Observatory's Newest Planet Hunter Puts Its Eye on the Sky
wind
Wind Drives Geology on Mars These Days
As Mars Perseverance Rover Rolls Along the Delta, Scientists at Caltech Roll Up Their Sleeves
As Mars Perseverance Rover Rolls Along the Delta, Scientists at Caltech Roll Up Their Sleeves
Observatory in Chile Takes Highest-Resolution Measurements of Asteroid Surface Temperatures Ever Obtained from Earth
Observatory in Chile Takes Highest-Resolution Measurements of Asteroid Surface Temperatures Ever Obtained from Earth
Clear as Mud: How Tiny Plants Changed the Planet, 488 Million Years Ago
Clear as Mud: How Tiny Plants Changed the Planet, 488 Million Years Ago
Puffy Planets Lose Atmospheres, Become Super-Earths
Puffy Planets Lose Atmospheres, Become Super-Earths