Jupiter
Juno Reveals a Giant Lava Lake on Io
NASA's Juno spacecraft came within 1,500 km (930 miles) of the surface of Jupiter’s moon Io in two recent flybys.…
It's Time for Jupiter's Annual Checkup by Hubble
Each year, the Hubble Space Telescope focuses on the giant planets in our Solar System when they're near the closest…
NASA’s Juno Probe Makes Another Close Flyby of Io
The Juno spacecraft has revealed some fascinating things about Jupiter since it began exploring the system on July 4th, 2016.…
Astronomers Test an Exoplanet Instrument on Jupiter
The European Southern Observatory's Very Large Telescope (VLT) has a high-resolution spectrograph called ESPRESSO, designed specifically to detecting and characterize…
Juno Makes its Closest Flyby of Io
NASA's Juno spacecraft has been getting closer and closer to Jupiter's volcanic moon Io with each recent orbit. Juno is…
Juno Spots Salts and Organic Molecules on Ganymede’s Surface
During its last flyby of Ganymede, the Juno probe reported finding traces of mineral salts and organic molecules on its…
Jupiter Looks Bizarre in Hubble's New Ultraviolet Image
Jupiter has gone pastel! Check out this ultra-cool image of Jupiter taken by the Hubble Space Telescope. This is a…
JWST Takes a Detailed Look at Jupiter’s Moon Ganymede
Nature doesn't conform to our ideas of neatly-contained categories. Many things in nature blur the lines we try to draw…
A New Weather Feature was Hiding in JWST’s Picture of Jupiter
In July 2022, NASA’s James Webb Space Telescope (JWST) used its NIRCam (Near-Infrared Camera) to capture stunning infrared images of…
Exploring Io’s Volcanic Activity via Hubble and Webb Telescopes
The two most powerful space telescopes ever built, NASA’s James Webb Space Telescope (JWST) and Hubble Space Telescope, are about…