A wrench in Earth's engine

Researchers at CU Boulder report that they may have solved a geophysical mystery, pinning down the likely cause of a phenomenon that resembles a wrench in the engine of the planet.

Researchers find optimal way to pay off student loans

After graduating or leaving college, many students face a difficult choice: Try to pay off their student loans as fast as possible to save on interest, or enroll in an income-based repayment plan, which offers affordable ...

Astronauts may one day drink water from ancient moon volcanoes

Billions of years ago, a series of volcanic eruptions broke loose on the moon, blanketing hundreds of thousands of square miles of the orb's surface in hot lava. Over the eons, that lava created the dark blotches, or maria, ...

What's in your weed? You might be surprised

Labels like indica, sativa and hybrid—commonly used to distinguish one category of cannabis from another—tell consumers little about what's in their product, and could be confusing or misleading, suggests a new study ...

The Arctic is burning in a whole new way

"Zombie fires" and burning of fire-resistant vegetation are new features driving Arctic fires—with strong consequences for the global climate—warn international fire scientists in a commentary published in Nature Geoscience.

Geologists dig into Grand Canyon's mysterious gap in time

A new study led by the University of Colorado Boulder reveals the complex history behind one of the Grand Canyon's most well-known geologic features: A mysterious and missing gap of time in the canyon's rock record that covers ...

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