Rare dinosaur tracks are longest continuous set of sauropod footprints

Dinosaur tracks from 150 million years ago remain preserved at high altitudes outside Ouray, Colorado. Now they're on public lands, and you can visit!

Save the Frogs Day is today, Sunday, April 28

Save the Frogs Day - a global amphibian conservation effort - is today, Sunday, April 28, 2024. Amphibian health is an important marker of ecosystem quality.

Tornadoes ravage central US, more expected today

Severe storms with tornadoes caused destruction in the central US on Friday. More severe storms are forecast for the middle of the country for Saturday.

Join the worldwide 2024 City Nature Challenge this weekend!

This weekend, April 26-29, 2024, join the global City Nature Challenge and record the biosphere in your neighborhood to help track real-time change.

What are waterspouts, and how do they form?

Waterspouts are essentially tornadoes that form over water. They happen all over the world. In the U.S., they're most common near Florida and the Gulf of Mexico.

Antarctic meteorites are sinking in melting ice

Warming temperatures are causing Antarctic meteorites to sink through melting ice. These samples of our solar system are keys to understanding earthly life.

Why do we celebrate Earth Day on April 22?

April 22 is the date of Earth Day in part because of Arbor Day, an earlier observance. The focus for 2024 is "Planet vs. Plastics."

The cicadas are coming! The cicadas are coming!

The first cicadas are starting to emerge this spring, with trillions more on the way. Cicadas may be loud, but they're basically harmless.

U.S. wildfire season outlook suggests a slow start

The wildfire season forecast is out. Learn what regions have a higher risk and which ones have a lower risk for April to July 2024. Maps here.

2024 Atlantic hurricane outlook and list of names

Colorado State University has released its Atlantic hurricane outlook for the upcoming season. Read more here and get the list of 2024's hurricane names.

2024 EarthSky Fundraiser

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