Of Jupiter's four Galilean moons, Callisto is the one that gets the least attention. Io is constantly being resurfaced by volcanoes. Europa has a giant liquid water ocean. And Ganymede has its own magnetic field that interacts ...
Planetary Sciences
15 hours ago
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The surface of Mars is home to some of the most breathtaking and awe-inspiring landscapes in the solar system. This is primarily because the Red Planet lacks several resurfacing processes that Earth possesses, including plate ...
Planetary Sciences
Aug 22, 2026
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854
Science seems like a straightforward endeavor. You come up with a hypothesis, collect data to prove or disprove it, and analyze that data to see whether the hypothesis is right. But anyone who actually does science will tell ...
Astronomy
Aug 22, 2026
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69
An international team of astrophysicists and plasma physicists has provided the first experimental evidence that strong magnetic fields surrounding active stars can completely suppress coronal mass ejections. This offers ...
Astronomy
Aug 21, 2026
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65
Over the past three decades, computer models of planetary system formation have gone from fairly crude representations to sophisticated simulations using thousands of different starting points.
Planetary Sciences
Aug 21, 2026
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During a coronal mass ejection (CME), the sun hurls billions of tons of magnetized plasma into space. These eruptions are among the most powerful events in the solar system, and when they are aimed toward Earth, they can ...
We've known for nearly two decades that some form of water exists on the moon. What we still don't know is exactly how much accessible water ice lies inside permanently shadowed craters, how deeply it is buried or what form ...
Space Exploration
Aug 21, 2026
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20
Japan's ambitious mission to collect and bring back samples from one of Mars' moons will lift off Oct. 20, the space agency announced Thursday.
Space Exploration
Aug 20, 2026
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12
Welcome back to our series on interstellar travel! In our first installment, we examined attempts to realize nuclear propulsion and how the technology could be used to reach the nearest star. In our second, we examined how ...
Astronomy
Aug 20, 2026
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25
A new study from Monash University has delivered the most complete and accurate digital map of Earth's windblown sand dunes to date. The research, published in Nature Communications, answers long-standing questions about ...
Planetary Sciences
Aug 20, 2026
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