Antarctica Is Warming. Are Invasive Species on the Way?
Algae, crustaceans, and other types of organisms can hitchhike into new ecosystems under the hulls of ships.
Road Density Threatens Turtle Populations
Roadkill may be inevitable, but turtles are especially vulnerable—particularly females, putting species survival at risk.
Tree Bark and Fire
A tree's hard outer bark helps it survive. Studying why it's thicker on some trees than others could help scientists understand how to protect them.
Plant of the Month: Sarsaparilla
From an early modern treatment for syphilis to Saturday-morning cartoons, the meaning and significance of the plant has transformed through time and space.
With Climate Change, Poison Ivy May Get Itchier
Bad news for the estimated 80 percent of the human population that's allergic to the dreaded—and abundant—leaves of three.
Yaks in Tibet
As China tried to expand into Tibet in the late 1930s, it looked to the yak as a way to "modernize" Tibetan culture.
Silvopasture; Or, Why Are There Cows in the Woods?
Cattle grazing on invasive plants in longleaf pine forests could benefit ecosystems and farmers alike.
Plant of the Month: Tree of Life
Indigenous people in North America used the conifer as an effective cure for scurvy during cold winters.
Which Flowers Bloom First and Why?
A massive collection of dried flower specimens demonstrates that climate change disrupts the timing of spring blooms.
The Tragicomedy of Johanna the Super Whale
How a beached cetacean triggered one whale of a controversy.