New evidence suggests that ocean acidification played a key role in the Permian–Triassic mass extinction event 252 million years ago that killed most life on Earth.
Posts by Deanna Conners
With the onset of spring in the Northern Hemisphere, animals that hibernate are waking up from a long-period of deep sleep.
Many believe Earth’s changing distance from the sun causes the change in the seasons. But that is not the case.
After months of anticipation, the NOAA Climate Prediction Center finally issued an El Niño advisory on March 5. How will it affect your weather?
Tortoise hatchlings spotted on the island of Pinzón last year are the first to have survived there in more than a century. Thanks to conservation efforts, tortoises are making a comeback.
No leap year in 2015. The next leap day will be February 29, 2016. The reason for leap years explained here.
The U.S. Southwest and Central Plains are at high risk for a megadrought later this century if greenhouse gas concentrations continue to rise, says a new study.
This year’s Great Backyard Bird Count runs from February 13 to February 16. It’s free and easy to participate. Find out how here.
Beneath Yellowstone National Park lies a volcanic hotspot. The most recent enormous eruption occurred 640,000 years ago. What’s going on now?
Depending on the temperature and humidity of the air where the snowflakes form, the resulting ice crystals will grow into a myriad of different shapes.