After taking a second look at what was thought to be a cow tooth, one scientist has found evidence to help solve the mysterious origin story for these wild ponies.
In the summer, from dusk until the moon rises, Mauney finds his photos' subjects along quiet stretches of farmstand highway, in abandoned fields, hidden pockets of woods and under power lines.
Satellite images and social media analyzed by NPR show attacks have hit structures around the plant, coming dangerously close to causing a nuclear accident.
A fossilized horse tooth could finally provide an answer to the mystery of how the wild Chincoteague ponies ended up on Maryland and Virginia's Assateague Island.
NPR's Ari Shapiro speaks with Christine Chen of the Space Telescope Science Institute about choosing and scheduling research projects for NASA's James Webb Telescope.