NASA's Juno Spacecraft Completes Fifth Close Flyby of Jupiter, With More Incredible Images

Crescent Jupiter, with two of its moons, Europa and Io, as seen by Juno during its fifth flyby on March 27, 2017. This is a view never possible from Earth. Image Credit: NASA/JPL-Caltech/SwRI/MSSS/Roman Tkachenko

NASA’s Juno spacecraft has successfully completed its fifth close flyby of Jupiter, gathering more scientific data and sending back more […]

Landing on an Ocean Moon: NASA Unveils New Plan to Search for Life on Europa

Artist’s conception of the proposed Europa lander, with sampling arm extended. Image Credit: NASA/JPL-Caltech

For decades now, Europa has beckoned – this moon of Jupiter which is frozen on the outside but hides a global ocean on the inside – has so far only been visited by spacecraft during brief flybys. Scientists and the […]

Voyager Spacecraft Continue Their Interstellar Journey With Help from Hubble Space Telescope

Artist’s illustrationn of Voyager 1 looking back on the Solar System. Image Credit: NASA/ESA/G. Bacon (STScI)

There have been many incredible planetary missions over the past several decades, from as close as our Moon to the outer reaches of the Solar System. Right now, there are robotic explorers at Mars, Jupiter, Saturn, Ceres, and […]

Juno Spacecraft Peers Deep Into Jupiter's Atmosphere Before Entering Safe Mode

Artist’s conception of Juno orbiting Jupiter. Image Credit: NASA

NASA’s Juno spacecraft has been busy orbiting Jupiter and providing fantastic new views of this giant world, something not possible since the previous Galileo mission. While almost flawless so far, the mission has had a few hiccups recently. Juno entered safe mode just shortly before […]

The Romance of Adventure: Remembering Galileo’s Ride on STS-34 (Part 2)

Jupiter and its volcanic moon Io were key focuses for the Galileo mission. Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/Goddard Space Flight Center

Almost three decades ago, shuttle mission STS-34 and the crew of Atlantis rocketed into orbit to launch NASA’s Galileo spacecraft on a lengthy odyssey to Jupiter. As described […]

The Romance of Adventure: Remembering Galileo's Ride on STS-34 (Part 1)

Atlantis roars into orbit on 18 October 1989 to deploy the Galileo spacecraft on its mission to Jupiter. Photo Credit: NASA

When the Galileo spacecraft drifted out of Shuttle Atlantis’ payload bay on the evening of 18 October 1989, on the first leg of its voyage to Jupiter, the sight was a moving one […]

Geysers on Europa? Hubble Space Telescope Finds More Evidence for Water Vapor Plumes

Composite image showing the possible water vapor plumes near the south pole of Europa, at about the 7 o’clock position. The image of Europa, from the Galileo and Voyager missions, is superimposed on the Hubble data. Image Credit: NASA/ESA/W. Sparks (STScI)/USGS Astrogeology Science Center

Intriguing new findings about Jupiter’s moon Europa were announced today […]

NASA's Europa Mission Facing Possible Budget Cuts in 2017

Artist’s conception of the Europa Clipper spacecraft near Europa. Image Credit: NASA/JPL-Caltech

For a long time now, there has been growing interest in sending a mission back to Jupiter to better study one moon in particular: Europa. Previous missions such as Voyager and Galileo showed us this world up close for the first time, […]

NASA's Juno Spacecraft Enters Orbit Around Jupiter, the 'King of Planets'

Artist’s conception of Juno approaching Jupiter. Image Credit: NASA

Jupiter has often been referred to as the King of Planets, and for good reason, as it is a massive gas giant, much larger than Earth and the largest planet in our Solar System. It is more than 2.5 times as massive as all the […]

Sprint to the Finish: 30 Years Since the 'Death Star' Missions (Part 2)

By the time Galileo eventually left Earth in October 1989, it was boosted toward Jupiter by a less powerful Inertial Upper Stage (IUS). Photo Credit: NASA

Thirty years ago, this month—had the hands of fate showed greater kindness—two shuttles might have rocketed into orbit within days of each other to deliver a pair of […]