Particles that escaped Earth’s atmosphere accumulated on the lunar surface over billions of years. Here’s what you’ll learn ...
Climate Compass on MSN
The hidden dangers of a weakening magnetic field
Our planet's invisible shield is changing in ways that scientists are only beginning to understand. Over the past two hundred ...
Morning Overview on MSN
Earth’s magnetic field isn’t just a shield, scientists say it’s a leak
Earth’s magnetic field has long been framed as a planetary force field, a protective bubble that keeps the worst of the Sun’s ...
If you are using your smartphone to navigate, your system just got a crucial update. Scientists have released a new model tracking the position of the magnetic north pole, revealing that the pole is ...
The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.
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 ...
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