Cave raiders: Thai archaeologists hunt ancient artwork

An antelope, a lonely figure, a family linking arms—Kanniga Premjai shines her flashlight across a cave to reveal long-hidden paintings, a stunning discovery for Thailand's scrappy team of archaeologists.

New dating of cave art reveals history of Puerto Rican people

In the karstic caves of Puerto Rico, cave art paints the rock walls. Previous research has assigned ages to this art based on the ages of nearby archaeological artifacts within the caves, but these ages are relative and may ...

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