Space Exploration Archives - Page 10 of 16

Europa’s Carbon Dioxide Originates from Source within Its Subsurface Ocean, Planetary Scientists Say

By News Staff September 22, 2023

Jupiter’s icy moon Europa has an ocean beneath a crust of water ice. Solid carbon dioxide has previously been observed on the surface, but the source was unknown. Two teams…

High-Energy Electrons from Earth’s Plasma Sheet May Be Forming Water on Lunar Surface

By News Staff September 18, 2023

Planetary scientists from the University of Hawaii and elsewhere suggest that although they have confirmed the importance of the solar wind as a major source of water production on the…

NASA’s UAP Study Team Releases Its Final Report

By News Staff September 18, 2023

On September 14, 2023, the NASA Unidentified Anomalous Phenomena independent study team published its final report containing a series of recommendations for how the agency could help to move our…

Lucy Sends Back Its First Images of Main-Belt Asteroid Dinkinesh

By Enrico de Lazaro September 12, 2023

The small main-belt asteroid (152830) Dinkinesh was recently added to NASA’s Lucy mission and will be the first fly-by target on November 1, 2023. This image of the main-belt asteroid…

4.6-Billion-Year-Old Meteorite Provides New Insights into Early Solar Nebula

By News Staff August 29, 2023

Scientists have determined a precise lead isotopic age of the andesitic achondrite meteorite Erg Chech 002. Their result, combined with published aluminum-26-magnesium-26 data for Erg Chech 002 and other achondrites,…

ESA’s Mars Express Focuses on Surroundings of Olympus Mons Volcano

By News Staff August 24, 2023

Lava flows on Olympus Mons probably melted ice in the ground, making the volcano flank unstable; rockfalls and landslides moved hundreds of km into the surrounding landscape, forming a characteristic…

Long Duration Spaceflights Destroy Red Blood Cells and Bone: Study

By News Staff August 23, 2023

But our body can eventually replenish them back on Earth with the help of bone marrow fat, according to new research. JAXA astronaut Aki Hoshide, ISS Expedition 32 flight engineer,…

Early Mars Had a Sustained, Cyclic, Possibly Seasonal, Climate

By News Staff August 10, 2023

New observations of mud cracks made by NASA’s Curiosity rover show that high-frequency, wet-dry cycling occurred in early Martian surface environments, indicating that the Red Planet may have once seen…

Mars is Spinning Faster, Planetary Researchers Say

By News Staff August 9, 2023

To track the Red Planet’s spin rate, planetary scientists relied on the Rotation and Interior Structure Experiment (RISE) onboard NASA’s InSight lander. They found the planet’s rotation is accelerating by…

Webb Detects Hydrogen Peroxide on Ganymede

By News Staff July 30, 2023

Jupiter’s moon Ganymede is the only satellite in the Solar System known to have an intrinsic magnetic field. Interactions between this field and the magnetosphere of Jupiter are expected to…