The James Webb Space Telescope (JWST) has opened many wonders of the cosmos to scientists since it began science operations a few years ago. But one thing it hasn't done is find an "exomoon." These still-theoretical moons ...
Planetary Sciences
Sep 13, 2026
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67
The surface of Mercury is filled with craters, ridges and steep cliffs. Over billions of years, as the planet's interior cooled, the planet also shrank. Just as the skin of a drying fruit wrinkles when what is inside it shrinks, ...
Planetary Sciences
Sep 13, 2026
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37
We've found more than 5,500 exoplanets so far. Dozens of them are in the habitable zones of their parent stars, where, at least in theory, they could host an ocean. But we've never definitively found a liquid ocean on another ...
Space Exploration
Sep 13, 2026
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62
The Japan Aerospace Exploration Agency's (JAXA) Hayabusa2 spacecraft reached another milestone this summer, a first for space agencies. On Sunday, July 5, the probe conducted the first successful laser-ranging experiment ...
Space Exploration
Sep 12, 2026
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165
Scientists have discovered that there is ice deep inside planets like Neptune and Uranus and want to find out what form it takes and how it behaves. They cannot dig for it and transport it all the way back to Earth, so they ...
Scientists were shocked when they received the first images of Martian gullies. They were even more shocked as those gullies appeared to change over time. Their similarities to gullies seen on Earth were uncanny, but all ...
Planetary Sciences
Sep 11, 2026
0
110
NASA is bringing artificial intelligence to the study of the moon, helping researchers transform how they analyze its surface. In an ongoing collaboration with IBM Research and several academic institutions, NASA has launched ...
Planetary Sciences
Sep 11, 2026
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60
Thanks to JAXA, the Japan Aerospace Exploration Agency, and its sample-return capabilities, we're on the cusp of receiving our first sample from the Martian system—not from Mars itself, but from its largest moon, Phobos. ...
Space Exploration
Sep 11, 2026
0
14
On a mostly flat plain an hour north of Stockholm lies a collection of large burial mounds dating from an ancient culture at least 2,500 years old. These people were not Vikings; they were northern Germanic Goths, pagan polytheists ...
Astronomy
Sep 10, 2026
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18
The sun is capable of great things. In massive eruptions, it repeatedly hurls particles and radiation into space. This solar bombardment can be dangerous for technical infrastructure on Earth: For example, satellites and ...
Planetary Sciences
Sep 10, 2026
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26
