Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from ...

For the first time, scientists have shown that ancient human DNA can survive for thousands of years on cave walls, opening new ...

The Lake Lenore Caves near Soap Lake, Washington, offer exactly that kind of alien landscape experience, minus the need for a ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern ...

Ancient Human DNA Found on Cave Walls in Spain and Portugal Pigmented cave wall sample from Balmori Cave (Image Courtesy of Kevin Nota/Bossoms Mesa et al., Nature Communications (2026)) Until now, ...

An international team of cave explorers has shown that cave walls and the prehistoric rock art that adorns them can preserve ...

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