The universe has far stranger threats than asteroids. Scientists have warned that Earth’s oxygen-rich atmosphere could ...
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Europe’s new SMILE spacecraft reached orbit to watch the solar wind slam Earth’s shield
On 19 May 2026, the Solar Wind Magnetosphere Ionosphere Link Explorer, known as SMILE, lifted off aboard a Vega-C rocket and ...
A stream of charged particles known as the solar wind flows from the sun toward Earth. Here, it meets Earth's magnetic fields, which shield our planet like a giant umbrella. The Space Umbrella project ...
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here's what you'll learn when you read this story: When samples of lunar dust touched down with returning ...
Up until the 1990s, scientists have known that the Earth’s magnetic north was drifting at a rate of up to about 9 miles (15 kilometers) a year. Now, however, the drift of Earth’s magnetic north pole ...
The magnetosphere, formed by Earth's magnetic field, acts as a protective shield that deflects solar wind—the flow of charged particles constantly streaming from the sun toward our planet. This ...
European Space Agency (ESA) Vega-C rocket during its launch at the Guiana Space Centre in Kourou, on the French overseas department of Guiana, on December 1, 2025. Ronan LIETAR/AFP via Getty Images At ...
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During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet's magnetic field nearly collapsed. What followed was a cascade of environmental and biological changes that ...
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