In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly detected the auroras of Jupiter's moon Callisto. This discovery completes the ...

Still seven years from Jupiter, the JUICE mission is pretending it's already there. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Though it's ...

Jupiter, now located in Taurus the Bull, appears in telescopes wreathed by its four largest moons: Io, Europa, Ganymede, and Callisto. At times, those moons pass in front of or behind the planet from ...

Venus passes 3° north of Antares at 3 P.M. EDT. The pair is very low in the southwest, but if you’ve got a clear horizon, both should be visible some 40 minutes after sunset. Venus stands out first, ...