
Doing the Crocodile Trot
A new study finds that many crocodile species can bound and gallop. But alligators can’t

Doing the Crocodile Trot
A new study finds that many crocodile species can bound and gallop. But alligators can’t

Ancient “Chewing Gum” Reveals a 5,700-Year-Old Microbiome
Archaeologists reconstructed a Neolithic woman’s complete genome and oral microbiome from a piece of birch tar she chewed


Deep Breather
Explaining the very long steps of Earth’s oxygenation—and perhaps that of other planets, too

Is This Indonesian Cave Painting the Earliest Portrayal of a Mythical Story?
Archaeologists have dated the image to at least 43,900 years ago, but their interpretation has met with doubt

Alligators Don’t Play Pick-Up Sticks to Lure Lunch
A new study casts doubt over the suggestion that alligators use sticks to catch birds

The Real Riverworld
Meandering rivers may hold a vital clue to the earth’s capacity for life

Now Hear This: New Fossils Reveal Early Ear-Bone Evolution
A change in chewing led to the emergence of the mammalian middle ear

Missing Link Found for How Modern Humans Evolved Friendly Faces
A genetic condition helps uncover how modern human mugs came to differ from those of Neandertals

The Secret of the Crocodile “Death Roll”
Out of 25 living crocodilian species, all but one have been seen to “death roll”

The Face of the Earliest Human Ancestor, Revealed
A long-sought fossil could redraw our family tree

Tiny Tyrant Gets a New Identity
A fossil thought to be a young Daspletosaurus turns out to be something else

Subtle Ancient Footprints Come to Light
Ground-penetrating radar can detect tiny density differences that lead to images of ancient footprints impossible to discern by eye.