NASA launched an astronaut into orbit around the Earth for the first time. John Glenn was the third American to launch into ...

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

Ola BTN My name is Ivanna. ALINA: Namaste BTN My name is Alina. BISUDA: And like millions of other Australians, ALINA: We speak a language, other than English. IVANNA: I was born in Mexico. My parents ...