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 different, […]

Torn Apart at Birth: 70 Years Since the Discovery of Miranda, Mysterious Moon Viewed by Voyager 2

Uranus’ moon Miranda shows signs of past geological activity, with deep canyons and other chaotic terrain. Photo Credit: NASA/JPL-Caltech

Seventy years ago, the existence of a new world was added to the growing vault of human knowledge. More than 1.8 billion miles (2.9 billion km) from Earth, circling the gaseous planet Uranus, its small […]

Means and the Muscle: Where Does Falcon Heavy Stand Alongside the Heavylifters?

Last week’s launch of the maiden Falcon Heavy has opened a niche in the market for super-heavylift launch vehicles. Photo Credit: Alan Walters/AmericaSpace

“If you can hear me over the cheering,” intoned SpaceX’s John Insprucker in the seconds after 3:45 p.m. EST Tuesday, 6 February, “Falcon Heavy, heading to space on her test-flight. Building […]

Long-Awaited Maiden Voyage of Falcon Heavy Brings Deep-Space Exploration Closer

Pounding the ground with 5.4 million pounds (2.4 million kg) of thrust, the Falcon Heavy begins its maiden voyage of exploration. Photo Credit: Mike Killian/AmericaSpace

Riding the plumes of its 27 engines, and carrying the hopes and dreams of a generation, the most powerful rocket in the world took flight earlier today (Tuesday, 6 […]

Complexity and Challenge: Dawn Project Manager Speaks of Difficult Voyage to Vesta and Ceres

This artist’s concept shows NASA’s Dawn spacecraft heading toward the dwarf planet Ceres. Credit: NASA/JPL-Caltech

A decade of operations in deep space is no longer a unique understanding, as we have seen in recent weeks, as Cassini ended 13 years of spectacular science at Saturn and the international Dawn mission celebrated ten years exploring […]

'Penitentes on Steroids': Scientists Solve Enigma of Pluto's Massive Ice Blades

Pluto’s “bladed terrain” as seen by New Horizons in 2015. Photo Credit: NASA/JHUAPL/SwRI

Pluto is an intriguing little world, full of geological surprises, as New Horizons revealed back in 2015. This cold, remote body was expected to be pretty much inactive, but instead we saw a place with nitrogen ice “seas” and glaciers, tall […]

New Horizons Team Successfully Observes Transit of Next KBO Target, and Clouds on Pluto!

Four members of the South African observation team, who helped to track the occultation of a star by the KBO called 2014 MU69, the next target for the New Horizons spacecraft. Photo Credit: NASA/JHUAPL/SwRI/Henry Throop

With the Pluto flyby now well behind them, the New Horizons team has been busy preparing for the next […]

Grand Final Part 4: Cassini Completes Eighth Ring Crossing, and a 'Tour of Saturn's Moons'

A haunting raw image view of Saturn and its rings taken on June 7, 2017 by Cassini. Photo Credit: NASA/JPL-Caltech/Space Science Institute

As Cassini’s “Grand Finale” journey continues, the spacecraft has completed its eighth dive past the innermost rings of Saturn (known as a ring crossing), and there are now just under 100 days […]

New Findings from Curiosity Hint Ancient Mars Lake 'Favorable for Different Microbial Life'

Mudstone lakebed sedimentary deposits seen by the Curiosity rover in Gale crater. The latest findings show that the lake in the crater was stratified and could have supported a wide variety of microorganisms. Photo Credit: NASA/JPL-Caltech

Was Mars ever habitable? Did life ever actually exist there? Those are two of the biggest questions for […]