Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature. Every so often, the magnetic north and south poles swap places in what are called geomagnetic reversals, ...
Planetary Sciences
Feb 5, 2026
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23
A newly discovered comet has astronomers excited, with the potential to be a spectacular sight in early April. C/2026 A1 (MAPS) was spotted by a team of four amateur astronomers with a remotely operated telescope in the Atacama ...
Astronomy
Feb 5, 2026
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50
Sometimes we humans get ahead of ourselves. We embark on grand engineering experiments without really understanding what the long-term implications of such projects are. Climate change itself is a perfect example of that—no ...
Space Exploration
3 hours ago
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9
