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What moves the sailing stones of Death Valley?
At Death Valley’s Racetrack Playa, the sailing stones show signs of movement, etching trails in the dry lake bed. What caused them was a mystery until recently.
November 21, 2025
Thieving seagulls and the human snack wars: Shouting works
Thieving seagulls judge your every word. Shout loud, save your fries, and savor the sweet victory of a lunch defended. This is beach war!
November 17, 2025
Scientists discover toads that give birth to live young
Scientists have discovered new tree-dwelling toads in the mountain forests of Tanzania, Africa, that give birth to live young toadlets.
November 13, 2025
Newly discovered sea anemone builds homes for hermit crabs
A newly discovered sea anemone secretes a substance that becomes a hardened home for hermit crabs. The animals have a mutually beneficial relationship.
November 10, 2025
Arctic air blast to drop temps for millions in U.S.
An Arctic air blast is sweeping through parts of the U.S. Sunday and Monday, even dropping temperatures in southern states.
November 9, 2025
How to see Earth’s shadow at sunrise and sunset
Just before sunrise and after sunset, you can spot Earth's shadow. Look west at sunrise and east at sunset. Learn more about Earth's shadow here.
November 8, 2025
Typhoon Kalmaegi hits Vietnam, with 188 dead in Philippines
Typhoon Kalmaegi has just reached Vietnam, having left a trail of devastation and at least 188 dead in the Philippines earlier this week.
November 6, 2025
Nanotyrannus, a T. rex mini-me, coexisted with the big guys
One of the Dueling Dinosaurs fossils of Montana, which scientists thought was a juvenile T. rex, is actually a new Nanotyrannus species.
November 5, 2025
The quiet tapir: Rainforest’s unsung hero
The tapir might look weird, with the body of a pig and the trunk of an elephant, but this gentle giant helps grow the forest.
November 3, 2025
Could Taurid fireballs – aka Halloween fireballs – bring a risk to Earth?
Researchers from the University of New Mexico said that the Taurid meteor shower - aka Halloween fireballs - could bring a risk of an airburst in 2032 and 2036.
October 30, 2025
