Non-native milkweed species planted in the southern U.S. could harm monarch butterflies as temperatures rise. Jason G. Goldman reports. -- Read more on ScientificAmerican.com
Rather than always making the same call in response to the same stimuli, North Atlantic right whales are capable of changing their vocalizations. -- Read more on ScientificAmerican.com
The jutting midface of Neandertals seems to have evolved to help get large volumes of air into an active body that needed lots of oxygen. -- Read more on ScientificAmerican.com
The jutting midface of Neanderthals seems to have evolved to help get large volumes of air into an active body that needed lots of oxygen. -- Read more on ScientificAmerican.com
Several feet below a beach in British Columbia, archaeologists discovered soil trampled by human feet—the oldest footprints found so far in North America. Christopher Intagliata reports. -- Read more on ScientificAmerican.com