In the atmospheric layer above it, about 10 to 30 miles up, is the stratospheric polar vortex, where every winter a sunlight-starved Arctic spins up a mass of cold air that, ultimately, dissipates ...

If you looked at the churning clouds near Jupiter’s pole, they appear like ocean currents on Earth — as if you’re looking at ...

On Friday we in the District met the solstice, and for all of us, even for those who suspected that the warm weather season had already started, it is finally and astronomically summer.

Climate change has tripled the frequency of atmospheric wave events linked to extreme summer weather in the last 75 years and ...

US Coast Guard unveils first polar icebreaker in more than 25 years The ship will be ceremonially commissioned in August in Juneau, Alaska, which is the vessel’s homeport. Until then, the icebreaker ...

It remains to be seen whether the U.S. Coast Guard will expedite the delivery of new polar icebreakers to maintain its presence in the Arctic amid growing challenges from Russia and China.