Auroras are created when energetic solar particles collide with atoms in a planet's atmosphere. On Earth, they ripple across high-latitude skies in vibrant sheets of green, red, and violet.

In March 2024, for the first time, scientists observed a visible green aurora on Mars ... these particles are guided toward the poles by our planet's global magnetic field. That's why auroras ...

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May 16, 2025 • Even though the 145% tariff on Chinese imports only lasted a month, it already inflicted its scars on the economy. Global trade is just not something you can turn off and on like ...

Tune in to our miniseries — six short episodes with pro tips to help you find a planet-saving career. Learn how fast sustainability jobs are growing (fast), and where to find them. Hear about ...

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