While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

Unfortunately for planet hunters, Mercury, Venus and Mars are all too close to the sun to observe; they will come out of the ...

Europa is one of Jupiter’s 95 moons, and, perhaps, among the planet’s most famous orbiters. It’s covered in a shell of ice ...

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...

Jupiter steals the spotlight in January as it reaches its brightest and biggest appearance of the year. The month also ...

After modeling Europa's conditions, the researchers concluded that its rocky seafloor is likely mechanically too strong to allow for tectonic and volcanic activity. Jupiter's moon Europa is among the ...

Jupiter will be at its most spectacular in 2026 in the early hours of Jan. 10, as it shines above the eastern horizon among ...

The solar system’s largest planet shines bright as the Moon wanes and Saturn’s moons dance in the sky this week.

Jupiter reaches opposition, making it brighter and larger than at any other time this year. A rare transit of its moon ...

On January 18, 2026, the new moon creates dark skies for observing Jupiter, Saturn, and the Orion constellation. Detailed positions and celestial coordinates for global observers are provided.

The giant planet Jupiter has nearly 100 known moons, yet none have captured the interest and imagination of astronomers and ...

Meanwhile, Harvard astrophysicist Avi Loeb, who flagged at least 16 anomalies on 3I/ATLAS has reiterated intensive monitoring ...