Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...

Four-and-a-half billion years ago, Earth’s surface was a menacing, hot mess. Long before the emergence of life, temperatures were scorching, and the air was toxic. Plus, as a mere toddler, the Sun ...

NASA launches TRACERS satellites to reveal how solar energy penetrates Earth's magnetic shield and triggers space storms.

Lunar rocks are famously dry. They contain almost none of the volatile elements that easily escape into space, such as ...

A rare magnetic phenomenon, once thought confined to the sun’s outer atmosphere, has been seen to twist its way through Earth ...

Something strange is happening above the South Atlantic. Earth’s magnetic field, normally a powerful shield, is unusually weak in this region – and it’s getting weaker. New satellite data reveal that ...

Earth's protective magnetic shield has a weak spot, the South Atlantic Anomaly, which is expanding and splitting. This anomaly, driven by changes in Earth's core, poses risks to satellites and ...

A radio signal has been detected, pointing to the possible existence of a magnetic field on YZ Ceti b, an exoplanet 12 ...

Tests of glass samples gathered on Apollo missions show magnetization may result from impacts of objects like meteors, not as a result of magnetization from the presence of a magnetic shield. In 2024, ...

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