Dinosaurs were thriving in North America before the mass-extinction asteroid strike, study suggests

New research suggests that dinosaur populations were thriving in North America before the asteroid impact 66 million years ...

10 years since Aliso Canyon: Disaster was wake-up call for U.S. on dangers of underground gas

Ten years after the Aliso Canyon disaster, the worst natural gas blowout in U.S. history, some progress has been made but ...