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World megaflash lightning record set in U.S.
On July 31, 2025, the World Meteorological Organization certified a new lightning record for the longest lightning bolt, 515 miles (829 km) in extent.
August 3, 2025
Surprise! Potatoes and tomatoes are linked in evolution
A new study suggests that potatoes and tomatoes are linked evolutionarily, from a combination of genes 9 million years ago.
August 3, 2025
Why the Pacific tsunami was smaller than expected
Find out how earthquakes cause tsunamis, and why the July 2025 Kamchatka earthquake didn't cause tsunami waves as devastating as expected.
August 1, 2025
Light pollution is impacting astronomy around the globe
Light pollution is affecting astronomical observatories around the world. Increasing light pollution and urban sprawl are impacting even remote sites.
August 1, 2025
Mammatus clouds are ominous and beautiful
Mammatus clouds look like bubbling, low-hanging clouds. They're often associated with thunderstorms. Learn more about them here and see photos.
July 31, 2025
Grand Canyon fire explodes north, burning thousands of acres
The Grand Canyon fire that began on July 4, 2025, has exploded northward. It's now ballooned up to more than 94,000 acres.
July 30, 2025
Tsunami triggered by magnitude 8.8 earthquake
A magnitude-8.8 earthquake struck off the coast of eastern Russia on Wednesday, July 30. The resulting 13-foot (4-meters) tsunami struck the Russian coast.
July 30, 2025
Hurricane Iona now a major hurricane, south of Hawaii
Hurricane Iona and Tropical Storm Keli are the first 2 tropical cyclones of the central Pacific hurricane season. Read more about them here.
July 29, 2025
Did arachnids originate in the sea? A new study suggests so
We think of spiders, scorpions and other arachnids as land creatures. But according to a new study, they might have originated in the sea.
July 28, 2025
What is corn sweat, and is it making the heat worse?
Corn sweat is when corn releases moisture to keep cool, but it makes people sweat as it increases the humidity in the air, making days feel even hotter.
July 27, 2025
