Beneath the surface of the Southern Ocean, vast volumes of cold, dense water plunge off the Antarctic continental shelf, cascading down underwater cliffs to the ocean floor thousands of meters below.

PHILADELPHIA (WPVI) -- After a seasonable day, Monday, the rest of the week will feel more like May than April. TUESDAY (EARTH DAY): We still can't rule out a spotty shower very early, but any ...

A few showers will be possible Thursday afternoon with the next decent chance of rain overnight Thursday into Friday morning. Overall the forecast remains warm and on the quiet side. Download the ...

Partly cloudy. Slight chance of a light shower in the northwest suburbs, near zero chance elsewhere. Winds southerly 15 to 20 km/h turning southeasterly in the evening. Sun protection recommended from ...

Partly cloudy. Medium chance of showers, most likely in the late morning and afternoon. Winds southerly 25 to 35 km/h turning southeasterly in the middle of the day. Partly cloudy. Slight chance of a ...