In short, Galileo's readings were initially difficult ... Science won't have to wait another 30 years to find proof. NASA's Europa Clipper mission set sail last year and should reach Jupiter ...

Scientists estimate there are ~1 septillion (1 followed by 24 zeros) planets in the observable universe. This figure is based ...

Astronomers have uncovered new evidence that Jupiter’s moon Callisto likely harbors a massive underground ocean, potentially joining Europa and Ganymede as another water-rich world in the outer solar ...

NASA’s former Galileo spacecraft still holds the Europa flyby record, passing within 351 kilometers in 2000.

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

This image was taken by the Cassini mission. NASA/JPL-Caltech ... Jupiter's four largest moons – Io, Europa, Ganymede and Callisto – were the first ever discovered orbiting another planet. They were ...

Lee, a NASA engineer and best-selling science-fiction author, was the director of mission planning during the Viking missions to Mars and also the chief engineer for the Galileo mission (which ...

17: SpaceX Falcon 9 on the Galileo L-13 mission for the European ... Space Center Launch Pad 39-A at 12:06 p.m. on the Europa Clipper mission to travel 1.8 billion miles to investigate Jupiter ...