A new study uses trail cameras and speakers to isolate how the sounds of hikers and bikers disturb forest creatures. ...

OceanGate’s lost sub sparked a frantic rescue effort—and resurfaced safety questions that had been raised years earlier. ...

The Atlantic Ocean is extremely warm right now—fuel for gnarlier hurricanes. But will a burgeoning El Niño butt in and stop the storms before they start? ...

Yet again, smoke from Canadian wildfires is pouring into the US. This mesmerizing yet troubling model forecasts how the haze is swirling. ...

Climate change is making summers hotter, blackouts more common, and heat-related illness more dangerous. The power system may be resilient—but it still has vulnerabilities. ...