A new study challenges recent claims about dramatic "greening" in Antarctica and how this conflicts with decades of ...

This Tweet is currently unavailable. It might be loading or has been removed. The British Antarctic Survey said Baum made her wedding dress partially out of an old orange tent. The couple, who had ...

To participate, submit your response here by July 4 at 9 a.m. Eastern. This week’s winners will be announced by July 15. By The Learning Network We invited teenagers to create an original five ...