Fresh fossil analyses suggest the Kotlin Crisis 550 million years ago wiped out up to 80% of marine species, making it ...
From rock layers to radioactive decay, scientists use a blend of dating techniques to piece together Earth's history. Relative dating reads the sequence of layers, while absolute dating measures time ...
Timelines: A Visual Voyage Through Generations of History' wants to lay out the chronological history of the 'Star Trek' ...
A long-standing mystery in southern Africa’s fossil record is beginning to unravel. After massive lava flows 182 million ...