Sunlight plunge may have triggered ‘snowball earths’
At least twice in Earth's history, nearly the entire planet was encased in a sheet of snow and ice.
These dramatic "Snowball Earth" events occurred...
Humans may have reached the Americas 15,000 years earlier, shows study
Humans may have reached the Americas over 30,000 years ago– a period 15,000 years earlier than previously thought.
However, the human impact on now extinct...
Vikings may have helped spread the deadliest virus smallpox to the world
Just as people travelling around the world today quickly spread COVID-19, it is likely Vikings spread smallpox.
Only back then, they travelled by ship...
Plato was right. Earth is made, on average, of cubes
Plato, the Greek philosopher who lived in the 5th century B.C.E., believed that the universe was made of five types of matter: earth, air,...
Scientists discover an unusual time called ‘Carnian Pluvial Episode’ for dinosaur evolution
A dinosaur-like reptile leaves muddy footprints along the shoreline of a lake during a rainstorm some 234 million years ago in northwestern Argentina.
The Triassic...
This venom-spitting dinosaur was not actually like ‘Jurassic Park’
Though you may know the Dilophosaurus as the small, frilled, acid-spitting beast from Jurassic Park, a new comprehensive fossil analysis sets the record straight.
Far from the small lizard-like...
Famous ‘Jurassic Park’ dinosaur is more like bird, not lizard, says study
From movies to museum exhibits, the dinosaur Dilophosaurus is no stranger to pop culture.
Many probably remember it best from the movie "Jurassic Park," where...
Scientists find the site of Genghis Khan’s winter home
He was the founder of the second largest empire in history stretching from the Pacific Ocean to the Carpathian Mountains of Europe.
But when he...
Amber fossils unlock true color of 99-million-year-old insects
Nature is full of colors, from the radiant shine of a peacock's feathers or the bright warning coloration of toxic frogs to the pearl-white...
Asteroid impact, not volcanoes, caused the dinosaur extinction, says study
Modelling of the Chicxulub asteroid impact 66 million years ago shows it created a world largely unsuitable for dinosaurs to live in.
The asteroid, which...