Hubble and Kepler Telescopes May Have Just Found The First Exomoon, 8000 Light-Years Away

Artist’s concept of what the Kepler-1625b planet-moon system might look like. Image Credit: Dan Durda

Exoplanets – planets orbiting other stars – have been found by the thousands now, with many more to come. But what about exomoons? So far there haven’t been any confirmed yet, and they are much more difficult to detect, […]

NASA Hopeful Opportunity Rover Will Survive Raging Dust Storm on Mars

Series of images showing the gradually darkening skies at Opportunity’s location. The current darkest view is on the right side. Image Credit: NASA/JPL-Caltech/TAMU

If you felt a bit apprehensive about this morning’s media teleconference from NASA, you’re not the only one. The very long-lived Opportunity is facing its most dire predicament yet – a […]

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 planet […]

Curiosity Rover Makes Intriguing New Discoveries About Martian Organics and Methane

“Self-portrait” of the Curiosity rover on Vera Rubin Ridge. Photo Credit: NASA/JPL-Caltech/MSSS

Is there or has there ever been life on Mars? We still don’t know the answer for sure, but two new findings announced this morning by NASA during a live discussion provide more tantalizing clues. The new results come from the Curiosity […]

Ceres Up-Close: Dawn Prepares for Lowest (and Last) Science Orbit Around Dwarf Planet

Recent new image of Ceres from Dawn, one of the first sent back in over a year. Image was taken on May 16, 2018 from an altitude of about 270 miles (440 kilometers). Photo Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

NASA is about to get its closest-ever look at the dwarf planet Ceres – a world which has […]

New Evidence For Water Vapor Plumes on Europa Discovered In Old Galileo Mission Data

Illustration of the Galileo probe at Europa in 1997, and how the plume disrupted the moon’s magnetic field. Image Credit: NASA/JPL-Caltech/Univ. of Michigan

For decades, Jupiter’s moon Europa has fascinated scientists and the public alike after it was learned that a global water ocean lies beneath the icy crust. Could there be life on […]

InSight GO For May 5 Launch to Mars from California, But Fog May Prevent Anyone Seeing It

NASA’s InSight mission to Mars is now scheduled to launch on May 5, 2018. Image Credit: NASA/JPL-Caltech

This weekend NASA will launch its next mission to Mars, but this one will be a little different than the previous ones. Unlike the rovers Curiosity and Opportunity, both still actively examining rocks and sand on the […]

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 […]