562 results
- Animals
Guttural toads shrank by a third after just 100 years on two islands
Introduced in the 1920s, toads on two islands in the Indian Ocean have shrunken limbs and bodies that may be evidence that "island dwarfism" can evolve quickly.
- Animals
Glowing frogs and salamanders may be surprisingly common
A widespread ability to glow in striking greens, yellows and oranges could make amphibians easier to track down in the wild.
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- Animals
How a tiger transforms into a man-eater
‘No Beast So Fierce’ examines the historical and environmental factors that turned a tiger in Nepal and India into a human-killer.
- Animals
Tiger sharks feast on migratory birds that fall out of the sky
Terrestrial birds that fall from the sky during their migration across the Gulf of Mexico can end up in the bellies of tiger sharks.
- Life
Fly fossils might challenge the idea of ancient trilobites’ crystal eyes
Fossilized crane flies from 54 million years ago probably got their crystal lenses after death.
- Paleontology
A flexible bone that helps mammals chew dates back to the Jurassic Period
A flexible bone that helps with chewing may have helped give rise to the Age of Mammals, a new fossil shows.
- Science & Society
The Smithsonian’s ‘Deep Time’ exhibit gives dinosaurs new life
The Smithsonian’s renovated fossil hall puts ancient dinosaurs and other creatures in context.
- Planetary Science
Saturn’s moon Dione has stripes like no others in the solar system
Icy moon Dione has long, thin, bright lines at its equator that run surprisingly parallel to each other for tens to hundreds of kilometers.
- Paleontology
Saber-toothed cats were fierce and family-oriented
New details shift the debate on whether Smilodon lived and hunted in packs, and answer questions about other behaviors and abilities.
- Animals
Giraffes inherit their spots from their mothers
Africa’s tallest creatures get their characteristic patterns of spots from their moms, a new study finds.
- Ecosystems
Can forensics help keep endangered rosewood off the black market?
Timber traffickers are plundering the world’s forests, but conservationists have a new set of tools to fight deforestation.
