Browsing Tag
pbs eons
65 posts
Was Spinosaurus a Wader or a Swimmer?
New fossil evidence, from a crocodile-like snout to a massive paddle-shaped tail, has ignited a fierce debate over whether the giant predator Spinosaurus was a shoreline wader or a powerful underwater swimmer.
The Dinosaurs Too Big To Be Dinosaurs
These sauropods were barely possible, seemingly existing only despite physics and persisting only thanks to some extreme evolutionary adaptations.
The Ancient Red Panda Found in Tennessee
A fossil-rich sinkhole in Tennessee preserved a 5-million-year-old red panda relative, revealing unexpected migration links between North America and Eurasia.
Why Darwin Spent 40 Years Studying Worms
Darwin’s decades-long study of worms revealed their powerful role in shaping ecosystems—insights that helped explain evolution’s grandest transformations.
The Rise and Fall of “Leviathan”: When Giant Whales Ruled the Seas
Livyatan melvillei, a giant toothed whale with 36-cm fangs, once ruled the seas, but vanished as shifting oceans and prey collapse ended its reign.
How Trilobites Revealed Earth’s Hidden Ocean Cycles
Trilobite fossils helped scientists uncover Earth’s repeating ocean cycle, where oceans like the Atlantic open and close along ancient scars in the planet’s crust.
What’s Hiding Under the Surface of the Earth
Scientists have discovered vast, dense zones deep in Earth’s mantle called Large Low-Velocity Provinces (LLVPs). These zones appear…
How Mountains Drive (and Divide) Evolution
Researchers discovered that mountainous regions like the Rockies preserve unique evolutionary patterns. In these regions, species such as…
Did Asteroids Seed Life?
Early Earth experienced violent asteroid impacts that vaporized oceans and altered the atmosphere, potentially creating conditions necessary for…
What Happened When the Amazon Flowed Backward?
The Amazon River once flowed westward, creating the Pebas System, a massive wetland teeming with diverse life. Shaped…