A turtle time capsule: DNA found in ancient shell

Currently, only seven species of sea turtles exist. Among them are two in the genus Lepidochelys: the olive ridley and the Kemp's ridley. Despite being among the most common sea turtles in much of the Caribbean Sea and elsewhere, ...

Study removes human bias from debate over dinosaurs' demise

To help resolve the scientific debate over whether it was a giant asteroid or volcanic eruptions that wiped out the dinosaurs and most other species 66 million years ago, Dartmouth researchers tried a new approach—they ...

A fossil jumping spider's 15-million-year journey

Jumping spiders (Salticidae) are a recently evolved family of spiders. They are known for their distinctive large eyes and ability to jump long distances relative to their small size. Australia has about 1,200 to 1,500 species ...

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