Yale University ecologists reveal a lizard lineage that rode out the dinosaur-killing asteroid event with unexpected ...

Then, a six-mile-wide asteroid struck Mexico’s Yucatán at 43,200 mph, releasing energy beyond all human-made explosives combined and reshaping life on Earth. Unlike many species that survived the ...

Phylogenetic tree. Shows the evolutionary inter-relationships among various species or other entities that are believed to have a common ancestor.