A new study suggests Ganymede—our neighborhood's biggest moon—still has a hot, churning core cranking out its unique magnetic ...

Jupiter’s Ganymede — has a unique and inexplicable magnetic field. New research could finally explain it: the moon is heating up.

Using data from the Webb space telescope, a team of researchers is suggesting that Neptune’s moon Nereid is the only survivor ...

NASA's Juno spacecraft has snuck a peek at one of Jupiter's largest inner moons. During a close flyby, the spacecraft got a look at Jupiter's moon Thebe from just 3,100 miles (5,000 kilometers) away.

NASA’s Juno spacecraft has captured an extraordinary image of Thebe, the second-largest of Jupiter’s inner moons, providing new insights into the planet’s distant ring system. This close flyby, which ...

NASA's Juno spacecraft captured this view of Thebe, the second largest of Jupiter's inner moons, during a close pass on May 1, 2026. The spacecraft's Stellar Reference Unit (SRU) captured this image ...

The full flower moon will rise tonight in Scorpio as the first of two full moons this month, followed by the rare blue moon later in May. Here's why and what to know about the 2026 May full moons and ...

May will play host to one of the most interesting lunar events of 2026, beginning Friday night: two full moons. The rare pair will bookend the month, with the first full moon arriving Friday, the ...

Ever heard the expression “once in a blue moon”? That frequency is coming soon. Moonwatchers will get a treat in May, with the rare occurrence of two full moons. The month’s usual full moon — the ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

If you have binoculars, you may even spot some of Jupiter’s largest moons as tiny pinpoints beside the planet NICHOLAS KAMM/AFP via Getty A waxing crescent moon and Jupiter will appear close together ...