US military officials believe Russia and China are aggressively testing new offensive space capabilities, pointing to a ...

At a remote space center in northern Finland near the Russian border, researchers are studying how climate change is ...

Arctic temperatures spiked 36 degrees Fahrenheit, or 20 Celsius, above normal. By the end of the month, sea ice was at its ...

With sea traffic set to rise in a warming Arctic, researchers are helping sailors plot a safer course through sea ice and ...