Studying human evolution involves piecing together scattered clues about how we survived against tough odds. One of the ...

A growing amount of evidence is pointing to the idea that around 232 million years ago, it started to rain, and for the most ...

A slowly spinning universe could resolve a puzzle in physics known as the Hubble tension, a new model suggests.

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed.

Scientists discovered a 480-million-year-old phosphatic sponge in South China, making it the oldest known stromatoporoid and ...