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 ...

Firefly Aerospace's Blue Ghost lander is healthy on its way to the moon, and even witnessed a solar eclipse from space when ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

The Galileo probe expanded on our knowledge of Jupiter's moon, Io, showing us just how hot and hellish the Jovian satellite could be.

One of Jupiter’s biggest moons has the potential to harbour life in a subsurface sea. The nature of its core will provide ...

On this date, Jan. 17, 2002, the Galileo probe made it’s 33 rd pass of Jupiter’s moon, Io. After Voyager 1’s pass in 1979, Io was dubbed the most volcanically active place in the solar system.

Initially believing they were distant stars, Galileo’s repeated observations over several nights and realized they were moons orbiting the gas giant. And thus, Io, Europa and Ganymede became ...

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Astronomy enthusiasts in Madurai witnessed a rare planetary alignment of Venus, Mars, Jupiter, and Saturn, organized by the ...

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 ...

Astrophotographers use sophisticated imaging technology to take and edit photographs that bring us the cosmos with startling ...