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Grand Canyon

Scientists Have a Bold New Theory About How the Grand Canyon Was Formed

A new study published April 16 in the journal Science suggests the Grand Canyon formed after an ancient lake overflowed around 5.6 million years ago.

Holding the Earth, celebrating Earth day

Earth Day 2026: What It Is, When It Started, and Why It Still Matters

Earth Day 2026 falls on April 22. This year's theme calls for tripling global renewable energy by 2030. Here's the history and how you can take part.

Dunkin coffee

Dunkin' Is Giving Away One Million Free Coffees Again — Here's How to Get Yours

Dunkin' is giving away one million free coffees on April 21. Rewards members can use code FREECOFFEE1 in the app starting at 9 a.m. local time.

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