Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

On Dec. 27, 2024, NASA's Juno spacecraft swooped by the volcanic world Io. It witnessed a giant eruption.

The four largest – Io, Europa, Ganymede and Callisto – were discovered by Galileo Galilei in 1610 when he pointed the first astronomical telescope at the Moon, Venus and the planet Jupiter in quick ...

Galileo’s repeated observations over several nights and realized they were moons orbiting the gas giant. And thus, Io, Europa and Ganymede became known as the Galilean moons of Jupiter.

Planets continue their nighttime shows, with eight visible at points during February, including Venus on Feb. 14.

With frigid temperatures and dangerously cold wind chills, you may want to wait a few more days to check them out. Don't ...

Bengaluru: About 3,000 space lovers gathered on Jawaharlal Nehru Planetarium (JNP) premises to grab the rare opportunity to ...

Stargazers are to be treated to a parade of the planets as an extremely rare conjunction in the night’s skies will see six ...

Venus and Saturn currently set in the west by roughly 8:30 p.m., while Jupiter sets around 4:30 a.m. and Mars is visible all ...

They are more commonly referred to as the Galilean moons of Jupiter owing to the fact that they were discovered by Galileo. The four Galilean moons – Io, Europa, Ganymede and Callisto – are ...