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Over the last few months, you may have heard about China’s growing smog problem. In Beijing, Shanghai, and many other areas of China, the smog is so bad that the air quality index (AQI) has started spiking over 400, and sometimes reaching 500 — the top of the AQI scale. Just for some context, an AQI above 100 is generally ...

1 of 5 Next All of the snowflake photos on this page, believe it or not, were captured using a six-year-old point-and-shoot Canon camera and a standard 58mm SLR lens that was produced in the USSR sometime between 1958 and 1992. Such photography ought to be impossible without a microscope or other expensive gear, but it just perfectly illustrates the ...

Earlier in 2013, NASA’s Cassini orbiter captured a stunning photo (above) of a mysterious storm on Saturn. This storm, known only as the hexagon, is roughly 20,000 miles (32,000 km) from edge to edge — more than twice the width of the Earth, or around the same size as its interstellar anticyclonic buddy, Jupiter’s Great Red Spot. Until now, we’ve ...

You are looking at a stunning photo of the Large Magellanic Cloud, one of the closest dwarf galaxies to the Milky Way. Captured by the ESO’s Very Large Telescope (points for creativity), the photo shows an active region of stellar birth on the right, and the remnants of explosive stellar death — supernova — on the left. The VLT is the ...