Earth’s magnetic field feels permanent, but science tells a far more fragile story. Long before modern life emerged, the invisible shield protecting the planet from solar radiation weakened to a ...

Barreling through the universe with incredible power and speed, galactic cosmic rays are a major source of radiation in space. But thanks to Earth’s strong magnetic field, these charged particles ...

High-energy particles called galactic cosmic rays (GCRs) bombard unprotected objects in space, often causing damage. Earth, however, is protected by its magnetic field, which creates a protective ...

We tend to think of Earth as a well-documented planet. We've mapped its continents, sampled its oceans, drilled into its ...

The fascination with magma isn’t just found in movies like “Austin Powers.” It’s also taking shape for students in the ERT 407: Geological Field Training class. The class set out last summer on a ...