How did Homotherium evolve to be so successful? The answer may lie in the rise of the Tibetan plate.
Tai Leclaire breaks down the Declaration of Independence, Uncle Sam and the meaning of July 4th.
Could sending a quantum twin across the galaxy make you both old and young at the same time?
The mystery of what non-flying dinosaurs were doing with their feathered wings has a new hypothesis.
It's possible that an event horizon is forming right behind and you won't know until its too late.
What did ancient people once know about these bizarre megafauna that we’ve since forgotten?