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What are hole-punch clouds, aka fallstreak holes?
Have you ever seen a fallstreak hole or hole-punch clouds? They're a type of cloud with a flat layer interrupted by a big hole, often with wisps at the center.
July 10, 2025
Human dam-building has caused a small (but astonishing) pole shift
Human dam-building - nearly 7,000 dams from 1835 to 2011 - has shifted Earth's poles and caused a drop in global sea levels.
July 8, 2025
Killer whales make tools to scratch each other’s backs
Killer whales are sociable and intelligent animals that create tools to scratch a partner's back. See images and videos here!
July 2, 2025
The Tunguska explosion rocked Siberia 117 years ago
The Tunguska explosion on June 30, 1908, is the largest asteroid impact in recorded history. It flattened 830 square miles of Siberian forest.
June 29, 2025
Tropical Depression Two to strengthen and strike Sunday
Tropical Depression Two should become Tropical Storm Barry on Sunday, bringing heavy rain and storm-force winds to Mexico.
June 29, 2025
Australian bogong moths navigate using starlight, says study
Australia’s bogong moths navigate using star patterns, the Milky Way and Earth’s magnetic field. It’s the 1st-known invertebrate to navigate using the stars.
June 25, 2025
First images from Biomass mission show vibrant Earth
The Biomass mission has revealed its 1st images! The mission can see deep through forests to study carbon. See vibrant pics of Earth from space here.
June 24, 2025
Rhinoceroses: Can modern science save these gentle giants?
Rhinoceroses are gentle herbivores that are critically endangered due to poaching. But there's still hope! Can we save them using modern science?
June 23, 2025
What happens when 2 species of sharks share a feast?
Sharks not normally seen together peacefully feasted on a decayed carcass in the waters off Hawaii, surprising tourists and scientists.
June 22, 2025
Summer solstice: Could trees know when it is?
Researchers say trees might use the summer solstice like a calendar reminder, triggering shifts in their growth and reproductive cycles.
June 20, 2025
