The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

NASA has shared details of what to look out for in the night sky this month, with the moon appearing alongside a parade of planets.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order). Credit: Space.com | footage credit: ESA/DLR/FU Berlin ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

One of Jupiter's moons known as Io is well known for its intense geological activity, as it has more than 400 active volcanoes, making it the most volcanically active body in the s ...

A Month of Bright Planets Venus blazes at its brightest in the early evening, despite being only a slim crescent through the telescope eyepiece. Mars and Jupiter to rule the night sky after Venus ...

NASA's Juno spacecraft has spotted the most powerful volcanic eruption ever seen on the solar system's most volcanic body, ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

Just east of Betelgeuse is the fine binocular cluster NGC 2244. But the much fainter Rosette Nebula that lies around the cluster shows up nicely in this fine photo of it by EAAA member James Schultz.