Kseniia Petrova’s future has hung in the balance since she allegedly failed to declare frog embryos that she was bringing back from France for research.

It had been five years since the first of the frog eggs had been moved, carefully plucked from Mexico's Baja Peninsula and transported by cooler to Southern California. Anny Peralta-Garcia was ...

It was the first time the California red-legged frog had been heard in the wilds of San Diego County in 25 years, and a new egg mass soon followed. It's the latest example of how new technologies like ...

How do scientists monitor the populations of the threatened California red-legged frog? With careful listening and a little help from AI.