Friends or Foes?
A flatworm and a sea squirt mingle in the tropical waters of West Papua, offering a glimpse into the complexity of interspecies relationships.
Alexander Mustard's Latest Articles
Why Are Loons Still Dying from Lead Poisoning?
In the United States, efforts to save a beloved species face pushback from a surprising foe: gun rights advocates.
Glowing from Within
With more scientists and artists turning their attention to bioluminescence, new information about glowing fungi is coming to light.
Mom on the Menu
Centipede mothers don’t just protect their young—some become their offspring’s first meal.
The Wild Within the Walls
From antiquity to modern times, Rome has been entangled with the wild animals who creep, slither, scurry, and nest among its pillars and palaces.
The Big Picture 2025
From the beautiful to the bizarre, this annual photographic showcase shines a light on some of our planet’s most breathtaking species and places.
Slow-Speed Chase
Off the coast of Hawai‘i, two well-armored invertebrates face off.
Parental Periscope
In Brazil, intact populations of capybaras and jaguars lead to surprising interactions—and remarkable adaptations.
The Tenacious Takahē
Once declared extinct, the world’s largest species of rail is returning to its former range in New Zealand.
The Big Picture 2023
From the beautiful to the bizarre and breathtaking, this photographic showcase of life on Earth shines a light on some of our planet's most amazing species and places.