Antarctica Is Hiding a Terrifying Secret. It Could Put the World at Risk.

A study found that channels beneath ice sheets could trap warm water and accelerate the ice’s deterioration.

The USPS is raising prices in July — but not on stamps this time. Here's what that will mean for you

Last July, the U.S. Postal Service raised the price of Forever Stamps to 78 cents. Last month, the agency proposed (1) ...