Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Earth
Wildfire smoke is choking Canada, Great Lakes and Northeast
Wildfire smoke is pouring across Canada and into the US in the Great Lakes and Northeast. These areas will continue to see poor air quality into the weekend.
July 16, 2026
Constellations
Hercules the Strongman and a great globular cluster
Hercules the Strongman is a great constellation to view in Northern Hemisphere summer. With binoculars you can see Hercules' remarkable star cluster, M13.
July 16, 2026
Space
Titan and Pluto share same mysterious molecule: What is it?
Scientists have discovered a unknown molecule on both Titan and Pluto. It's a puzzle, since the 2 worlds are so different from each other.
July 15, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for July
EarthSky's visible planets and night sky guide. This evening, look for the thin crescent moon in the west near brilliant planet Venus and the star Regulus.
July 15, 2026
Earth
How the monsoon could impact wildfires in the American West
A monsoon could impact wildfires in the American West. Monsoonal rains can bring relief, but they can also bring gusty winds and lightning.
July 15, 2026
Earth
How does smoke from wildfires affect birds?
Smoke from distant wildfires can affect birds in several ways, such as through changes in health, vocalization behavior and migratory patterns.
July 15, 2026
Today's Image
Best deep-sky photos of June 2026 from EarthSky community
Enjoy this gallery of deep-sky photos from June 2026 by our EarthSky community. If you have a great photo to share, we'd love to see it!
July 15, 2026
Tonight
Find Polaris and Thuban via the Big Dipper in July
Polaris and Thuban are famous for serving - now or thousands of years ago - as Earth's northern pole star. Use the Big Dipper to find them tonight.
July 15, 2026
Sun
Sun news: A fiery sunspot region is showing its nose
Sun news July 16, 2026: A hidden sunspot region behind the southeast limb is already leading flare production, firing a C8.9. Is a returning region inbound?
July 15, 2026
Human World
Space
Giant space mirror approved to test sunlight on demand
The Federal Communications Commission has approved a test of a giant space mirror, despite fears that this could harm ecosystems, people and science.
July 14, 2026
Subscribe now! A daily update with Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Space
View All
Astronomy Essentials
View All
Earth
View All
Human World
View All
