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Noctilucent clouds are back: Look for them now!
Noctilucent clouds are back. The season is underway! Learn about these stunning night-shining clouds and how to see them. Plus, see a gallery of them here.
July 18, 2026
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
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
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
The giraffe weevil: When a beetle grows a giraffe’s neck
The giraffe weevil is a tiny Madagascan beetle with a super-long neck, leaf-rolling skills and a fantastic evolutionary story.
July 13, 2026
Atlantic hurricane season forecast updated due to El Niño
Colorado State University, one of the 2 organizations that make Atlantic hurricane season forecasts, has now revised its forecast downward for 2026.
July 9, 2026
Dog days of summer: Hottest in July and August
The dog days of summer are named for the Dog Star Sirius - the brightest star in the sky - in the constellation Canis Major the Greater Dog. Learn why here.
July 3, 2026
Extreme heat impacting millions across eastern half of US
A dangerous, extreme heat wave is forecast for the Midwest and East Coast of the United States this week into the holiday weekend. Get the details here.
June 30, 2026
The Tunguska explosion rocked Siberia 118 years ago
The Tunguska explosion on June 30, 1908, is the largest asteroid impact in recorded history. Researchers are preparing for future Tunguska-sized events.
June 30, 2026
The boat-billed heron: When nature thinks big
With its oversized bill and large eyes, the boat-billed heron is a striking example of evolution going big. Read about it here!
June 29, 2026
