The James Webb Space Telescope is a decade late and billions of dollars over budget. But astronomers are already setting their sights on its successors. Plus, second-grader Nina Del Bosque wants to know about stinging caterpillars and their role in the ecosystem.
Archaeologist Lori Collins uses lasers to map and preserve artifacts to create a 3D collection.
Last spring, Governor Jerry Brown doubled the amount of land that would be managed by prescribed burns and other forest management strategies to prevent wildfires.