Take These Teenage Dinosaurs Seriously!
Paleontologists recently solved the riddle of whether two fossil specimens were young T. rexes or a whole different species.
Bulldozers Versus Biodiversity, Then and Now
Trump's border wall threatens habitats in Arizona's Sonoran Desert. What happened when the area was bulldozed in the 1950s?
The Thick-Billed Parrot Is Not Extinct–Not Yet
But one hasn't been seen in the U.S. since 1995, not long after the end of the last reintroduction program.
Plant of the Month: Agave
The international popularity of tequila threatens the quantity, health, and biodiversity of all species of agave.
Stuck in the Midden with You
A midden is, among other things, a refuse site outside an octopus' home. (Release the Køkkenmødding!)
Five Green Living Resolutions for 2020
We won't solve all of the pressing environmental problems, but we can help mitigate some.
Lichens as Sensors for Air Pollution
Lichens often go unnoticed, living on the ground, on tree trunks, or on rocks. They're hearty, but remarkably sensitive to air pollution.
When Cancer Spreads between Species
The exchange of cancerous cells between organisms is rare. Scientist studied how it happened across species of mussels.
Are Koalas Really Going Extinct?
A report from the Australian Koala Foundation declaring koalas "functionally extinct" has caused a confusing scare. What does it mean?
Everything You Wanted to Know about Hazelnuts but Were Afraid to Ask
For one thing, there are several species of hazelnuts, including a couple native to North America.