YR4 made headlines earlier this year when its probability of impacting Earth in 2032 rose as high as 3%. While an Earth ...

Europa Clipper launched today (Oct. 14) atop a SpaceX Falcon Heavy rocket from Florida, kicking off a highly anticipated ...

New simulations show that Jupiter's massive moon Ganymede was knocked off its axis when it was struck by a roughly 90-mile-wide asteroid around 4 billion years ago. The colossal collision was likely ...

Much of this data was collected during Juno’s most recent flyby of Io on April 9, when it came within 3 and 4.3 miles (5 and 7 kilometers). Its trajectory will continue to take it on flybys of ...

As more Juno data returns to Earth, researchers will be able to piece together a color portrait of Ganymede. The flyby isn't just for the pretty pictures. NASA said Juno is studying the moon's ...

During its 2021 flyby of Ganymede, Juno's JIRAM instrument detected salts such as hydrated sodium chloride, ammonium chloride, sodium bicarbonate, and possibly even organic compounds known as ...

Evidence for Magnetic Reconnection at Ganymede's Upstream Magnetopause During the PJ34 Juno Flyby. Geophysical Research Letters, 2022; 49 (23) DOI: 10.1029/2022GL099775 ...

Now in the second year of its extended mission to investigate the interior of Jupiter, the solar-powered spacecraft performed a close flyby of Ganymede in 2021 and of Europa earlier this year.

Juno already had a brief look at Ganymede, returning the first-ever images of its north pole after a flyby on December 26, 2019. However, this week’s flyby is by far its closest examination of ...

The data was collected during Juno’s closest flyby of Ganymede in June 2021, when it passed within 645 miles of the huge moon.

NASA's Juno mission passed within 620 miles (1,000 kilometers) of Jupiter's largest moon Ganymede in June 2021, revealing its crater-covered surface in the greatest detail ever, as well as ...