Ecosystems
-
Earth
Surge seen in number of U.S. wildfires
The number and size of wildfires in the western United States has steadily risen over the last three decades.
-
Oceans
The surprising life of a piece of sunken wood
Timber and trees that wash out to sea and sink to the bottom of the ocean hold a diverse community of organisms.
-
Animals
Zebra stripes may be mainly defense against flies
The function of zebra stripes may not be for camouflage or cooling, a new analysis finds.
By Susan Milius -
Animals
Like a boomerang, relocated python comes back again
Burmese pythons, which have invaded the Everglades, can find their way home when people move them dozens of kilometers.
By Susan Milius -
Ecosystems
Do your bit for bumblebees
The Xerces Society for Invertebrate Conservation and its partners have launched the Bumble Bee Watch website to track sightings. When you see a bee bumbling around, snap a photo.
-
Ecosystems
City spiders may spin low-vibe webs
Spider webs built on human-made materials have less background bounce than those built on trees and other natural surfaces, which might shrink the arachnid’s hunting success.
By Susan Milius -
Animals
We’re only noticing the snowy owls
A lemming boom last summer probably led to rises in populations of several predator species.
-
Ecosystems
Arctic melting may help parasites infect new hosts
Grey seals and beluga whales encounter killer microbes as ranges change.
-
Life
Charms of small males may collapse a Darwin’s finch species
Mating rules may be changing for one of the storied Galápagos birds.
By Susan Milius -
Animals
The Ice Age was harsh on orcas
Killer whale DNA shows that climate change resulted in declines for most populations.
-
Ecosystems
Amazon doesn’t actually go green in dry seasons
An optical illusion in satellite data made forests appear to grow faster.
By Meghan Rosen -
Animals
Gray seals snack on harbor porpoises
Photo evidence confirms seals' fatal attacks on harbor porpoises in the English Channel, suggesting that declines in the seals' usual fare are forcing the animals to seek out other high-energy food.