Hurricane Isaac made landfall in southeast Louisiana, in Plaquemines Parish, near the mouth of the Mississippi River. Maximum sustained winds 80 miles per hour.
The Magazine Mountain shagreen snail may soon become the first invertebrate to be removed from the Endangered Species List. Read the success story here.
Tropical Storm Isaac is expected to make landfall late Tuesday or Wednesday, which is the anniversary of Hurricane Katrina in 2005. It's a much weaker storm.
The benefits of breast milk have long been appreciated, but mother’s milk better than infant formula in protecting infants from infections and illnesses.
Tsunami warning issued and then cancelled for stretch of central American coastline last night, following strong 7.3-magnitude earthquake off El Salvador coast.