For centuries, Jupiter reigned as king of the moons. Initially, the Big Four, discovered by Galileo, and then as optics and ...

“These moons are a few kilometers in size and are likely all fragments of a smaller number of originally captured moons that were broken apart by violent collisions, either with other Saturnian moons ...

The Flame Nebula, located 1,400 light-years from Earth, is a region where many stars are forming and is less than a million ...

Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...

The Flame Nebula, located about 1,400 light-years away from Earth, is a hotbed of star formation less than 1 million years ...

About 650 light-years from here, in the constellation Aquarius, lies the planetary nebula Caldwell 63, commonly known as the ...

NASA’s Europa Clipper is using Mars and Earth’s gravity to travel efficiently to Jupiter. The spacecraft will study Europa’s ...

The spacecraft, launched in 2024, will use gravitational assists from Mars and Earth to reach Jupiter’s moon Europa by 2030.

"It's like a game of billiards around the solar system, flying by a couple of planets at just the right angle and timing to ...

Listen to Story The Mars gravity assist is the first of two planned flybys The second scheduled flyby is set to occur with Earth in December 2026 Europa Clipper is expected to arrive at Jupiter in ...

After that it should be smooth sailing out to Jupiter. The Europa Clipper is packed with a total of nine instruments (including radars, magnetometers, sensors, a thermal instrument, and a gravity ...