Newly released visualizations provide the most detailed look to date of Hurricane Sandy's intensity.
Tropical Storm Andrea is weakening, but is dumping very heavy rain from South Carolina northeastward to Maine.
Tropical Storm Andrea in the Gulf of Mexico threatens to spread heavy rain from Miami to Massachusetts.
New York City's shoreline could help be protected by wetlands, but only if there are enough of them.
One of the driving forces behind Hurricane Sandy pinwheeling toward the northwest is something called the "Fujiwhara effect".
If Hurricane Sandy hits the East Coast, it won’t be right to call it a hurricane any more. Or even a tropical storm.
As the East Coast tracks Hurricane Sandy's path, the storm is a truly unusual event that commands our attention.
A rare combination of factors may steer Hurricane Sandy into the Northeast as early as this Saturday.