Officials from Portland, New York, Miami and Phoenix discuss plans to keep residents safe in extreme heat.

The human health hazards of gas leaks are still relatively unknown. 

Photographer Levon Biss captures the exquisite majesty of bugs—and the pressures that threaten them.

A look at what went into creating the Cadillac Lyriq—and what it's like to drive this important new electric vehicle.

The find offers paleontologists a rare, clear window into megafauna from the last ice age.

While perching on power lines, birds can become electrocuted, burst into flames, and set wildlands ablaze.

The EV should have range of more than 300 miles, and will first be on sale in China.

Physicists in Russia think they’re on the trail of a new particle that's everywhere, but nowhere.

The fuel that keeps a floating vacation going is detrimental for the environment.