Tiny pieces of glass found scattered across Australia have revealed evidence of a previously unknown giant asteroid impact. This discovery centers on a new type of tektite, a natural glass formed when ...

A fossil mosasaur skull and partial skeleton excavated from Angola’s costal cliffs. Credit Hillsman S. Jackson, Southern Methodist University. The story of prehistoric ocean life that emerged in the ...

Deep in the world's oldest forests, towering giants have been keeping detailed records for centuries. These ancient trees are ...