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

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

The Juno mission, spearheaded by NASA, aims to unravel the secrets hidden beneath Jupiter’s dense cloud cover. Since its ...

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

Researchers from the Juno mission have finally solved a mystery that has puzzled scientists for over four decades.

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

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

Starliner astronauts got a much longer stay at ISS. SpaceX caught a rocket booster. Here's a look back at the most pivotal ...

Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the most volcanic world in the solar system.

NASA's Lucy spacecraft will perform a close flyby of Earth on December 12, utilizing a gravity assist to adjust its ...

Io, discovered by Galileo Galilei in 1610, is the most volcanic body in our solar system. NASA's Juno spacecraft continues to ...