A 29-million-year-old fossilized footprint of a cat-like predator reveals how volcanic ash preserved the quiet movements of ...
Researchers made an extraordinary discovery of 9,000-year-old rocks with drawings etched into them, positioned next to ...
A new study analyzed four sets of fossil footprints, including cat-like tracks in 29-million-year-old volcanic ash in Oregon.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback