Mustard on MSN2h
Nuclear Accidents on Home Soil: How the U.S. Almost Lost Its Own Bombs
In an era of nuclear tension, the U.S. kept bombers airborne with live nuclear weapons 24/7 under Operation Chrome Dome. This ...
Smithsonian Magazine20h
A Rare Triassic Fossil Found in Brazil Could Shed Light on the Origin of Dinosaurs
The 237-million-year-old remains are among the oldest silesaurid fossils ever found, adding to paleontologists' understanding ...