American Avocets’ Range Imperiled By Climate Change
As the climate changes, this species could lose ground in its breeding range but gain wintering ground.
How Is a Spider Like a Disco Ball?
This spider, likely a member of the Thwaitesia genus, was photographed in Singapore.
Insect Microfossils Provide Prehistoric Insights
Discovered at La Brea Tar Pits, the pupa helps reveal clues to what the environment was like in Southern California during the Pleistocene Epoch.
The Ultimate Bachelor Pad: Great Bowerbird’s Bower
Male great bowerbirds build these structures strictly to attract females for mating.
A Growing Starfish
Biologists photograph the first days of a fiery orange starfish common to Brazil’s rocky southern shores.
An Ephemeral River, Viewed From Space
This ephemeral river may only last a few days a year, but it’s life sustaining.
The Heat Is On: Mating Pandemonium in African Forest Elephants
A researcher uses thermal imaging to study elephant mating behavior.
A Galaxy Bonanza
This photograph of the universe taken by Hubble reveals more than 10,000 galaxies, including young ultraviolet ones.
The Caterpillar With the Candy-Cane Stripe
This silk moth symbolizes National Moth Week, which has gone global.
The Two-Toned Beauty of Harlequin Bug Eggs
These tiny black-and-white cylinders each host a life-sucking insect.