If conditions are clear, anyone with a pair of binoculars or a telescope may even be able to pick out details, such as Jupiter’s four largest moons — Ganymede ... NASA. Around Dec. 14, Jupiter will be ...

As many as 400 volcanoes are erupting on the surface of Jupiter's innermost moon Io, with virtually every square inch of the ...

Hundreds of volcanoes and lava lakes on Jupiter’s moon Io are likely powered in the same way as Earth’s volcanoes.

Besides Europa, these include Ganymede and Callisto ... to assess whether the moon is the sort of place where life might ...

NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...

NASA's recent flybys of Io, however, reveal that it likely doesn't contain a global magma ocean beneath its surface, as ...

The communications lag between Earth and Jupiter means missions to Europa will need to be smart to deal with problems on ...

NASA is once again delaying its Artemis missions to the Moon. The US space agency announced on Friday it is now targeting an ...

In California, the full moon will be at its highest point in the sky in the minutes right before midnight on Saturday, ...

While contending with lingering hardware issues for its crewed lunar plans, the U.S. space agency projects confidence and ...

The Griffith Observatory explained that during a major lunar standstill, the moon reaches its most northerly and southerly ...