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.

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.

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.

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.

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.

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.

Vast Martian honeycombs featured in new Curiosity panorama

NASA's Curiosity rover has found vast new fields of Martian honeycombs in Gale crater. They likely formed from drying mud, just like we see on Earth.

Best deep-sky photos of July 2026 from EarthSky community

Enjoy this gallery of deep-sky photos from July 2026 by our EarthSky community. If you have a great photo to share, we'd love to see it!

Were Neptune’s inner moons born from an ancient cataclysm?

A new study suggests that Neptune's inner moons formed when Neptune captured its largest moon Triton and a family of original small icy moons was destroyed.

Why the Spokane wildfires became so catastrophic

Spokane wildfires show wildfire risk is growing, but preparedness, resilient communities and smarter land management can reduce future losses.