NEW YORK — Neon green, vivid orange, striped and spotted — the frogs are back! An exhibit featuring live frogs from around the world is returning to the American Museum of Natural History here in New York. Full story
The peak period for baby-making sex in ancient Egypt was in July and August, when the weather was at its hottest. Full story
The world's glaciers lost 260 gigatons of water each year between 2003 and 2009, making these rivers of ice responsible for almost a third of sea-level rise in that time, new research finds. Full story
Melissa Harris-Perry talks to Kirk Bloodsworth, the 1st American death row inmate exonerated by DNA evidence about ending the death penalty in the U.S.
NBC’s Pete Williams and Michael Isikoff report on the arrest made in connection with the bombing.