Astronomers building an Earth-size virtual telescope capable of photographing the event horizon of the black hole at the center of our Milky Way have extended their instrument to the bottom of the ...

A greater number of large “planetary sized waves” in the atmosphere that move from the lower atmosphere into the upper atmosphere were responsible for the smaller Antarctic ozone hole this fall, ...

(CNN) -- The hole in the ozone that forms every year over the South Pole is now larger than Antarctica, scientists from the European Union's Copernicus Atmosphere Monitoring Service said Thursday. The ...