The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.

The Hubble Space Telescope captured imagery of Jupiter and its Great Red Spot in 2023 and 2024. Credit: NASA, ESA, J.

Instead, scientists are looking into existing spacecraft already in orbit around other planets. Harvard Professor Avi Loeb ...

From meteor showers to visible nebulas, August is primed to be an action-packed month for stargazers in the United States. ...

American space agency NASA says it used the gravity assist maneuver the Europa Clipper conducted back in March to test the ...

Venus and Jupiter shine together in a rare, close morning conjunction this August. The Perseid meteor shower is dimmed by ...

Using the thermal equivalent of giving it a sharp whack, NASA repaired the camera of its Jupiter-orbiting Juno probe from 370 ...

NASA doesn’t usually fix cameras with a bake-and-pray routine, but Jupiter doesn’t usually give second chances. As Juno lined ...

Observations from NASA’s Juno spacecraft reveal that Jupiter’s strong magnetic field and the unique properties of its plasma ...

Launched in October 2024, Europa Clipper is on a 1.8-billion-mile (2.9-billion-kilometer) journey to study Jupiter and its moons. On March 1, it flew within 550 miles (884 kilometers) of Mars' surface ...

In this artist’s concept, the moon Ganymede orbits the giant planet Jupiter. NASA’s Hubble Space Telescope observed aurorae on the moon generated by Ganymede’s magnetic fields.