Toxic algae kill 174 manatees and counting off Florida's Gulf coast this year, a new record. ->
Forget hunting for organic chemistry inside rocks on Mars or complex organisms in Europa's sub-surface oceans, the Cosmos has just FedEx'd some extraterrestrials direct to our door! Or not. ->
The first known vertebrate with an endosymbiont, spotted salamanders take their gardening personally.
Tectonic rifting between continents may have provided liquid shelters for life during otherwise frozen times.
Birth control pills likely not the culprit when it comes to estrogen pollution in rivers and lakes.