| | August 21 STEVE Isn't An Aurora | | | |
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| | | North America's smoky skies | | Do your skies look hazy? Are your sunsets very orange, or layered-looking, or does the sun or moon look orange while high in the sky? If you're in the northern U.S. or Canada, the reason is still wildfire smoke. | | | What are rare earth elements? | | Most of us use rare earth elements every day without knowing it. These little-known and fascinating elements make modern electronics possible. | | | | | |
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| | | North America's smoky skies | John Ashley in Glacier National Park, Montana, wrote: "The August Milky Way fades behind smoke ... Smoke from forest fires in Montana and around the Pacific Northwest is blanketing a number of states and provinces across North America." | | | | |
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| | Tonight … Moon, Saturn, Mars | If you've never identified these planets, tonight is a good time to try. Tomorrow night, the moon will be closer to Mars. | | |