Parallel evolution is the independent evolution of similar traits, starting from a similar ancestral condition. Frequently this is the situation in more closely related lineages, where several species ...

The oyster is a huge part of coastal culture and economy in the U.S. But a historic sewage spill and climate change could put decades of restoration efforts at risk.

Get ready for your aha moment: Every weekday, host Meghna Chakrabarti pierces your news bubble to expose the whole story. Getting answers to the questions that need to be asked, examining our history ...