How did massive volcanic eruptions, inland seas, and land bridges pave the way for life?
The Denver Basin preserves a pristine record of ecosystem recovery.
Stunning new mammal fossils were hiding in plain sight.
Plants can help us understand how life rebounds after a mass extinction.
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
Researchers used rabbits and antidepressants to search for a link between orgasm and ovulation in female mammals.
That earns this fish, Electrophorus voltai, the title of the strongest known living source of electricity.
The feathery glint startles their rodent prey, making them easier to catch.