NASA’s James Webb Space Telescope Now Fully Assembled for 2021 Launch

View od the fully assembled James Webb Space Telescope. The sunshield and unitized pallet structures (UPSs) that fold up around the telescope for launch, are partially deployed to enable telescope installation. Photo Credit: NASA/Chris Gunn

NASA’s James Webb Space Telescope (JWST) just took another big step towards completion, as the two halves it was […]

Wild World: Remembering Voyager 2's Encounter With Neptune, 30 Years On (Part 3)

The Great Dark Spot and Bright Companion, together with the chevron-like “Scooter” are visible in this Voyager 2 image of Neptune. Photo Credit: NASA

READ Part 1 and Part 2 of AmericaSpace’s Neptune 30th anniversary commemorative feature.

Thirty years ago this weekend, NASA’s Voyager 2 spacecraft swept silently above Neptune’s royal-blue cloud-tops and […]

Back to Europa! NASA Confirms Next Phase of Mission to Ocean Moon

Artist’s concept of Europa Clipper during a flyby of Europa. Image Credit: NASA/JPL-Caltech

NASA’s next mission back to Jupiter’s moon Europa just took another big step towards reality. The next phase of Europa Clipper has been confirmed, giving the go-ahead for the mission to proceed to final design, construction and testing.

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To Keep Boldly Going: NASA's New Plan for the Voyager Mission

Artist’s concept of one of NASA’s Voyager spacecraft, including the location of the cosmic ray subsystem (CRS) instrument. Image Credit: NASA/JPL-Caltech

With all of the current and recent planetary missions throughout the Solar System, it may be easy to forget sometimes that there are still some older spacecraft that have been traveling for decades […]

New Horizons' Data of Pluto/Charon Show Rarity of Small Kuiper Belt Objects

Pluto’s largest moon, Charon, as seen by New Horizons in 2015. The lack of smaller craters -less than expected – suggests that small objects less than a mile in size are rare in the Kuiper Belt. Photo Credit: NASA/JHUAPL/SwRI/Alex Parker

The Kuiper Belt is a vast region of rocky debris in the outer Solar […]

NASA's Lucy Mission to the Trojans Is a GO!

Artist’s concept of the Lucy mission at the Trojans near Jupiter. Image Credit: NASA/SwRI

NASA’s proposed mission to a group of primitive and still-unexplored asteroids has been given approval for further development – the Lucy mission will travel to the Trojans, a group of asteroids that share the same orbit as Jupiter. This […]

Juno Gets Science Mission Extension and Solves Electrifying Mystery on Jupiter

This image is a combination of a JunoCam image with artist’s conception of lightning distribution in Juno’s northern hemisphere. Image Credit: NASA/JPL-Caltech/SwRI/JunoCam

NASA’s Juno spacecraft has shown Jupiter in ways never seen before, not only sending back incredibly detailed images of the beautifully turbulent atmosphere, but also new data on what the giant […]

Jupiter's Massive Polar Cyclones on Display in Stunning New Images From Juno

Space pizza? No, this composite infrared image is the view from Juno of clusters of massive cyclones surrounding Jupiter’s north pole. Image Credit: NASA/JPL-Caltech/SwRI/ASI/INAF/JIRAM

As previously discussed on AmericaSpace, the Juno spacecraft has found that the giant planet Jupiter is full of big surprises; its interior composition and structure seem to be quite […]

From Jupiter to the Universe: First Science Targets Chosen For James Webb Space Telescope

Artist’s conception of the James Webb Space Telescope in space. Image Credit: Northrop Grumman

The James Webb Space Telescope (JWST) may not be launching until 2019, but the first targets for the powerful new observatory have already been chosen, including Jupiter, organic molecules in star-forming clouds and baby galaxies in the distant Universe. […]

Juno Mission Gets New Project Manager As Spacecraft Completes Eighth Science Flyby of Jupiter

Illustration of Juno near Jupiter, which combines real images of the planet from the spacecraft with Juno artistically “added in.” Image Credit: NASA/JPL-Caltech

NASA’s Juno spacecraft has successfully completed its eighth science flyby of Jupiter, passing over the gas giant’s swirling cloud tops once again as it continues to unravel the mysteries of […]