The GAO determined that 14 of 18 NASA projects assessed were within cost and schedule margins during fiscal 2025, but four programs—led by the Orion deep-space crew capsule—are over budget by a total ...

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

Nearly 400 years ago, Galileo looked at the Pleiades star cluster through his telescope and noticed that the seven or so ...

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk on, and no place to land a spaceship. But how can that be? If Jupiter doesn ...

Scientists think there is an ocean within Jupiter's moon Europa. NASA-JPL astrobiologist Kevin Hand explains why scientists ...

Explore This SectionScienceEuropa ClipperAlien Ocean Europa Clipper HomeMissionOverviewFactsHistoryTimeline ScienceGoalsTeam ...

NASA’s Europa Clipper isn’t just a spacecraft—it’s a feat of resilience, engineered to navigate one of the most hostile ...

In 2024, the company’s larger Falcon Heavy launched NASA’s Europa Clipper spacecraft to Jupiter’s moon Europa. It is set to launch the ambitious Nancy Grace Roman Telescope in May 2027. The working ...

NASA scientists recently used Europa Clipper’s instruments to take readings of Mars, as the spacecraft was passing within just 550 miles of the red planet’s surface on March 1.

JPL Europa Clipper mission and Tiger Team leadership reviewed their work with NASA officials on August 27. There was unanimous agreement that the risk to the planned science to be performed by the ...

NASA's Europa Clipper, which launched Oct. 14 on a journey to Jupiter's moon Europa, is already 13 million miles (20 million kilometers) from Earth. Two science instruments have deployed hardware ...