Killer whales are moving northward into Pacific Arctic, possibly spelling trouble for local mammals By Joshua Rapp LearnJan. 25, 2019
Ancient Mongolia was a good place to live—if you could survive the horse falls By Joshua Rapp LearnJan. 8, 2019
Anything faster than a brisk walk on this martian moon could send you spinning off into space By Joshua Rapp LearnNov. 15, 2018
5000-year-old ‘Iceman’ may have benefited from a sophisticated health care system By Joshua Rapp LearnSep. 7, 2018
Bears are bigger killers than thought, gruesome video footage reveals By Joshua Rapp LearnMar. 17, 2017
