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Astronomy Essentials
Total solar eclipse to dazzle observers on August 12
The Arctic, Greenland, Iceland and Spain will have a total solar eclipse on August 12, 2026. Parts of Europe and North America will see a partial.
August 11, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for August
EarthSky's visible planets and night sky guide. Perseid meteors peak! Total solar eclipse Wednesday! Venus farthest from sunset.
Sun
Sun news: Huge sun blast aimed at Earth
Sun news August 11, 2026: Plasma from the August 8 prominence is heading our way. G1 and even G2 storms are possible tomorrow. Aurora watchers, get ready!
August 11, 2026
Astronomy Essentials
How to watch a solar eclipse safely: tips here
Here are some great tips to watch a solar eclipse safely in a variety of ways, using filters, pinhole cameras and other viewing methods.
August 11, 2026
Constellations
Aquila the Eagle soars along the Milky Way
Aquila the Eagle is home to the bright star Altair, which forms one corner in the Summer Triangle. Look for it in the evening sky from July to November.
August 11, 2026
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
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