Giant sunspots, solar flares, aurora alert! | | | Sunwatchers are still tracking those 2 huge sunspot groups making their way across the Earth-facing side of the sun. Then yesterday there was a giant X-flare! Watch for possible auroras. | | |
| See an extra-red moon or sun this week? | | | If you live in the U.S. or Canada, a peculiarly red moon - or very spectacular sunrise or sunset - might be due to smoke from wildfires. Click in for images from Earth and space. | | |
| Asteroid spacecraft to slingshot past Earth | | A NASA mission to return a sample from an asteroid will soon get a planned gravity assist from Earth. You can spot the spacecraft in the sky and submit images … or participate in NASA's Wave to OSIRIS-REX campaign. | | |
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