New Delhi: Earth Day 2026 will be observed on April 22, with the global theme “Our Power, Our Planet,” highlighting collective action for climate care and sustainable living. Schools and communities ...

The Earth is 4.54 billion years old. If we start counting every second without a stop, it will take us a very long time to reach such a huge number. Scientists have not come up with this huge number ...

A college student in a gas mask "smells" a magnolia blossom during the first Earth Day on April 22, 1970 in New York City. More than 8 billion people inhabit our planet, and each year Earth Day ...

3. 25 Facts About Geologic Time That Made Our Brains Hurt 4. How Do We Know? A Glimpse into Geologic Sleuthing 5. Our Fleeting Moment in Deep Time 6. Frequently Asked Questions What if we told you ...