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Slithering across the ceiling of an Australian rock shelter is a giant snake with a crocodile-like head, razor-sharp teeth and a long tongue. It's more than 6 meters (20 feet) long, making it one of the largest Rainbow Serpent ...
Temperatures have warmed dramatically across the equatorial Pacific Ocean in 2026, signaling the onset of a strong and potentially historic El Niño. These events can affect weather around the world, and the intensity of recent ...
Coral reef fish that are exposed to motorboat noise grow up smaller and less able to dodge predators, new research shows. Scientists played either boat noise or natural reef sounds to a species from the Great Barrier Reef ...
Female humpback whales off the coast of Brazil now have their pick of mates, who slap the water with their tails and jostle for attention—a scene that would have been unthinkable a few decades ago.
Thirty-five years on—well, 12 million, technically—Ashfall Fossil Beds State Historical Park continues to offer important glimpses of prehistoric life in Nebraska.
When Ashley Dayer was walking on the beach with her 8-year-old son recently, he stopped her before she got too close to a group of shorebirds. "Momma, stop. We have to walk around the shorebirds," he told her. Dayer smiled. ...
The southern humpback whale migration is in full swing. Tens of thousands of whales are now making their journey from warm Australian waters in the north to their cold feeding grounds in Antarctica.
Plastic pollution is one of the most urgent environmental challenges of the 21st century. As larger plastic debris breaks down through mechanical, photochemical and biological processes, it forms microplastics that have been ...
Why do humans rely on XY chromosomes to determine sex, while birds use ZW—and many reptiles use neither, letting temperature decide instead? Sex determination is remarkably diverse across the animal kingdom. In genotypic ...
Every spring, many monarch butterflies drift back into Florida on orange-and-black wings that have captivated scientists for generations. They arrive quietly, fluttering through fields and roadsides, stopping at nectar plants ...
