New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar ...

The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple ...

For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that ...

A new study reveals that Jupiter has massive primordial form and powerful magnetic field, offering fresh insights into how it ...

Jupiter's already the big kahuna of the Solar System, an absolute unit of a planet with a mass 2.5 times greater than all of ...

An exhaustive examination of lunar gravity using data obtained by two NASA robotic spacecraft is offering new clues about why ...

The finding could change the way astronomers understand moons dominated by subsurface global oceans in our solar system, such as Jupiter’s moon Europa and planets beyond our solar system.

The solar system's giant planets are famous for their many moons. Saturn currently leads, with 146 moons at last count, with Jupiter a close second at 95. A lot of these moons resemble Earth's ...

Earth’s silvery moon is impressive in many ways, but it doesn’t hold a candle to those of the solar system’s gas giant ... And then there’s Jupiter’s moon, Io. Io is the most volcanic ...

"Io represented a big mystery because its surface doesn't hold a record of its history the way that the surfaces of less active moons do." The solar system's most volcanic body, the Jupiter moon ...

NASA’s Juno mission passed within 930 miles of Jupiter’s volcanic third largest moon lo Saturday, capturing stunning images of the most volcanic world in our solar system. The spacecraft ...

A NASA spacecraft is providing earthlings with an out-of-this-world look at what NASA calls “the solar system’s most volcanic world.”NASA has released images of Jupiter’s moon Io after the ...