"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

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

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the ...

New models suggest that Europa has very little tectonic activity at its seafloor, which is potentially catastrophic news for ...

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

Although Europa is the fourth largest of Jupiter’s 95 moons, it’s the smallest of the Galilean moons – the largest being Ganymede. With an equatorial diameter of about 3,100 kilometres, Europa is ...

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

Jupiter reaches opposition overnight on Jan. 10, when it appears its brightest in 2026 opposite the sun in Earth's sky.

Sky This Week is brought to you in part by Celestron. Friday, January 9Mars is in conjunction with the Sun at 7 A.M. EST, ...

With the moon out of the way on Jan. 18, bright Jupiter and Saturn become stand-outs in the January night sky.