Fireworks are a beloved tradition of the Fourth of July, but the colorful displays also bring a spike in air pollution, a new study shows. Continue reading →
At last, here's a possible explanation for those strangely shaped bursts of light that appear above storm clouds 50 miles up. Continue reading →
July will arrive a little late this year -- one second late, to be exact -- and we have the moon to blame.
The U.S., Brazil and China all released major commitments to reduce or at least slow their greenhouse gas emissions. Continue reading →
A state park allows anyone to search for diamonds, and sometimes diggers make a pricey find. Continue reading →
The situation has not been helped by power cuts -- a regular feature of life in Pakistan -- which have stopped fans and air conditioners from working.
These mysterious electric blue wisps, which form on the edge of space, could be a sign of climate change.
Rising temperatures are expected to increase wildfire risks in Alaska, just as in the rest of the western U.S.
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