NASA said the moon would appear full for about three days – from the evening of Dec 13 through the morning of Dec 16. However, it reached peak fullness on Dec 15.

The Geminid meteor shower put on a dazzling show this week, delighting skywatchers worldwide. The Geminids are one of the ...

The “cold moon” - a phenomenon that happens every 18.6 years - will rise at 3.20pm (GMT) on Sunday and set at 9.44am (GMT) on ...

Astronomers analyzing archival images from JWST have discovered an unexpectedly vast population of the smallest asteroids ever seen in the asteroid belt between Mars and Jupiter.

NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...

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

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 ...