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Sun
Sun news: Wham! Huge filament eruption in the northeast
Sun news for July 8, 2026: A huge filament eruption lit up the solar northeast last night, with no sunspot regions nearby.
July 8, 2026
Brightest Stars
Summer Triangle star: Vega is bright and blue-white
The Summer Triangle star pattern hangs in the east on July and August evenings in the Northern Hemisphere. Its brightest star is blue-white Vega.
Astronomy Essentials
Tonight
Visible planets and night sky guide for July
EarthSky's visible planets and night sky guide. See a video with the high points of the night sky for the month, and another video for this week's sky sights.
July 8, 2026
Space
2 asteroid flybys yield new closeup images
Japanese and Chinese space agencies completed 2 asteroid flybys in early July. Read more about the asteroids and see the closeup images here!
July 7, 2026
Human World
Guy Ottewell honored with an asteroid in his name
On July 6, 2026, the IAU honored longtime astronomy educator Guy Ottewell with an asteroid. Thus 21008 (1988 PE) is now also known as asteroid Ottewell.
July 7, 2026
Human World
See 6 major spaceport launch sites … from space!
These 6 major spaceport launch sites helped open the space age. Now, satellites orbiting Earth can look back at the very gateways that sent them there.
July 7, 2026
Space
Opportunity left for Mars on July 7, 2003
NASA's Opportunity rover launched to Mars on July 7, 2003. The rover surpassed all expectations. It officially ended its mission on February 13, 2019.
July 7, 2026
Constellations
Circinus the Drawing Compass, Alpha Centauri’s neighbor
Circinus the Drawing Compass is a dim constellation located next to the 3rd brightest star in the sky, Alpha Centauri. It looks like a pair of tweezers.
July 7, 2026
Space
Puffiest exoplanets yet found are as dense as cotton candy
Astronomers have discovered the 2 puffiest exoplanets known so far. They are similar in size to Jupiter, but have the density of cotton candy.
July 6, 2026
Space
How a planet survived the death of its sunlike star
Scientists have solved the mystery of how a gas giant planet survived the death of its star. The planet migrated inward after the star's red giant phase.
July 5, 2026
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