This boot was truly built to last. Like, for 2300 years.
Spot the odd one out!
The barreleye fish might look like a submarine, but its tubular eyes and transparent head are necessary to navigate the 2,500-feet-deep waters in which it dwells.
This interactive map allows you to trace your hometown's geographic shifts through Earth's history.
Meet a 4000-year-old dog.
The loneliest penguin in the world.
A blood sample believed to be the oldest in the world was found in an ancient mummified foal.
The see-through frog.
Lions in the sea? Yes.
Researchers have found incredible weapons made of rock crystal dating back to at least 3000 BCE.