The moment doesn’t look like anything at first. An animal is present in its environment, moving or still, doing whatever it was doing before you noticed it. Nothing about the scene reads as urgent.

There’s a moment people describe that shows up in wildlife encounter accounts with striking regularity. Everything was still. The animal was just there. Nothing felt urgent. And then something ...

A little past 11 a.m. on Monday, the moon covered more than half of the sun as the solar eclipse neared its peak. The trees' shadows projected lights on the ground at the Phoenix Zoo in the shape of ...