The Incredible Phasmid Egg
Stick insects have eggs that look exactly like seeds. Scientists can't figure out why these masters of camouflage would lay eggs that resemble bird snacks.
Do Dolphins and Orcas Really Kill Their Young?
Stunned marine biologists watched a young mother orca desperately trying to save her baby.
The Busy, Beneficial Beaver
Americans have long viewed beavers as nuisances. But their dams are important for water management, helping to store and recharge depleted groundwater.
Megafauna Memories?
Some folklorists have hypothesized that the mythical beasts and monsters of legend were actually inspired by shadowy collective memories of megafauna.
How Poison Ivy Works
Where poison ivy comes from, why it gives some people such terrible reactions, and why—unfortunately for hikers and gardeners—its future is bright.
Why We Need Seagrass
Seagrass meadows are habitats for a variety of marine life, and a vital link between land and sea. But these crucial plants are increasingly under threat.
The Long-Lost Locust
The 1874 locust swarm was estimated to be twice the square mileage of the state of Colorado. Why don't locusts swarm anymore?
The Myth of the St. Augustine Monster
The idea of the gigantic octopus has tantalized marine scientists for years, although its existence had never been conclusively proven.
The Overlooked Importance of Parasites
Parasites can be creepy, but according to some ecologists, parasites may substantially impact entire ecosystems—for the better.
What Really Happened to the Megafauna
Could humans be responsible for the extinction of megafauna like giant sloths and mastodons?