Climate scientists have struggled to explain Arctic warming, but a new study focuses on clouds that trap heat, acting like a ...

Monsoon rains can have devastating effects on communities worldwide. Scientists make grim prediction after witnessing ...

PHILADELPHIA (WPVI) -- Temperatures will gradually turn more seasonable as we approach Memorial Day. TONIGHT: Mostly clear, crisp and cool, low 51. Many outlying areas will fall back into the 40s ...