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Sun
Sun news: Quiet sun has a slight uptick in flares
Sun news August 10, 2026: Newcomer AR4505 burst onto the scene, firing 14 of the day's 18 flares. Watch for geomagnetic storming around August 11-12.
August 10, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for August
EarthSky's visible planets and night sky guide. The Perseid meteors will peak this week! Watch a video with meteor-spotting tips here.
Earth
Giant trees break a decades-old scientific theory
Giant trees have evolved remarkable adaptations that allow them to reach extreme heights while maintaining efficient water transport.
August 10, 2026
Sun
Highest-resolution images of the sun’s surface here!
The Inouye Solar Telescope has captured the highest-resolution images of the sun's surface yet. They show instabilities that may help explain the hot surface.
August 9, 2026
Astronomy Essentials
Venus greatest distance from the sun August 14-15, 2026
In 2026, look for Venus after sunset! It's high in the August evening sky for all to see. It'll be brightest in the evening sky on September 22.
August 9, 2026
Space
The electromagnetic spectrum: It’s more than visible light
The light our eyes can detect is only a sliver of the light out there. The electromagnetic spectrum describes all the wavelengths of light, seen and unseen.
August 7, 2026
Astronomy Essentials
The 2nd eclipse season of 2026 is underway
One of the many noticeable cycles in the heavens is an eclipse season. The 2nd eclipse season of 2026 starts with a total solar eclipse on August 12.
August 7, 2026
Space
SpaceX rocket hit the moon: Before and after pics
A SpaceX rocket hit the moon on August 5. Here's what astronomers have observed so far from this historic lunar event, including before and after pics.
August 6, 2026
Astronomy Essentials
Total solar eclipse to dazzle observers on August 12
On August 12, 2026, a total solar eclipse will be visible from the Arctic, Greenland, Iceland and Spain. And western Europe will see a partial eclipse.
August 6, 2026
Human World
Solar eclipse: Top 5 tips for photographing an eclipse
Are you hoping to get some great pics of the August 12 total solar eclipse? Here are 5 tips from NASA to help you capture some memories of this precious event.
August 6, 2026
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