NASA has announced that two asteroids - 2024 XF4 and 2024 XB16 - will make a close approach to Earth on December 15. Although ...

NASA's Chandra X-ray Observatory has detected a plasma jet from a supermassive black hole interacting with an unidentified ...

The winter stars are like that. They're bright, sparkly and arrive "from a distance" low on the eastern horizon and gradually ...

This week, learn why Greenland sharks can live for centuries, discover when Neanderthals and humans met, see the most ...

Io's volcanic activity explained without magma ocean evidence Tidal heating powers volcanic eruptions on Jupiter's moon ...

NASA's recent flybys of Io, however, reveal that it likely doesn't contain a global magma ocean beneath its surface, as ...

Scientists with NASA's Juno mission to Jupiter have discovered that the volcanoes on Jupiter's moon Io are each likely powered by their own chamber of roiling hot magma rather than an ocean of magma.

Researchers from the Juno mission have finally solved a mystery that has puzzled scientists for over four decades.

Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the most volcanic world in the solar system.

The north polar region of Jupiter’s volcanic moon Io was captured by NASA’s Juno during the spacecraft’s 57th close pass of the gas giant on Dec. 30, 2023. Data from recent flybys is helping ...

If the planet has a liquid ocean underneath, its yellow crust caked in sulfur, it will be more squishable compared to a more ...

Io, roughly the size of Earth's Moon, is home to approximately 400 volcanoes that continuously erupt, contributing to its ...