Earth's Moon: NASA's Galileo spacecraft took this image of Earth's Moon on Dec. 7, 1992, on its way to explore the Jupiter system in 1995-97. The Moon is Earth's only natural satellite.

Ganymede is an enormous moon, larger than any other we’ve found, including our own, and may one day be the centerpiece of wider human settlements around Jupiter.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

Astronomers are using the NASA's Hubble Telescope to study auroras — stunning light shows in a planet’s atmosphere — on the poles of the largest planet in the solar system, Jupiter. This animation ...

Scientists found Titan’s orbit is shifting faster than expected due to tidal dissipation. A recent cosmic event likely ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under ...

Here are the dates for the full moons in 2025. The next full moon will be on Friday, March 14, 2025. It will officially reach its full moon phase at 2:55 a.m. EDT (0755 GMT) but local moonrise ...

Southwest Research Institute (SwRI) scientists are studying Saturn's moon Titan to assess its tidal dissipation rate, the ...

What is the moon phase today? Today, Feb. 13, 2025, the moon is 15 days old and is in the Full Moon phase of its lunar cycle. It is 99% illuminated. Moon phases reveal the passage of time in the ...

There was a lot, aesthetically, to latch onto: the violent, ascension-like episode, the drama of bestowed-upon immortality, the idea of an attractive young man. Though Ganymede’s ordeal struck me as ...