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Is climate change behind California's dry spell?

California's parched landscapes are receiving a much-needed soaking this week as heavy rainstorms roll across the West Coast. The break in the state's dry spell is due to a weakening of an atmospheric anomaly that has been ...

Jet stream shift 'could prompt harsher winters'

A warmer Arctic could permanently affect the pattern of the high-altitude polar jet stream, resulting in longer and colder winters over North America and northern Europe, US scientists say.

Image: Saturn's rings and hexagonal polar storm

Just as Saturn's famous hexagonal shaped jet stream encircles the planet's north pole, the rings encircle the planet, as seen from Cassini's position high above. Around and around everything goes!

Ozone hole might slightly warm planet

A lot of people mix up the ozone hole and global warming, believing the hole is a major cause of the world's increasing average temperature. Scientists, on the other hand, have long attributed a small cooling effect to the ...

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