Boaters capture Lake Powell rock slide on camera "Pretty incredible," explained Carter. "Saw something like I had never seen before." Within seconds after Carter pulled out her phone, an entire ...

Core samples drilled by NASA's Perseverance rover on the Martian surface are revealing the geology of a gaping crater scientists suspect may have harbored microbial life billions of years ago ...

Boaters capture Lake Powell rock slide on camera "Pretty incredible," explained Carter. "Saw something like I had never seen before." Within seconds after Carter pulled out her phone, an entire ...

Conservation groups say Arizona's hunting guidelines should better reflect the science behind management of apex predator species.