When should parents worry about teen girls' selfies? Usually, they're no big deal, researchers say, unless editing becomes an obsession.

Photojournalism revealed the adulterated products and other horrors of the Chicago meatpacking industry, sparking both the novel "The Jungle" and real change.

"Photo Wake-Up is a new way to interact with photos." See what it can do for Picasso, Matisse, and Stephen Curry.

"There needs to be a greater discussion on telling the broader story—a migrant's story doesn't end once they cross the sea or make it through the border."

Deep fakes—super-realistic looking fake videos—pose a major threat, but "digital watermarks" could help stop them.

"We get so focused on picture-taking, we miss the experience itself."

On sites like eBay, potential buyers judge products by how good they look—and photo quality plays a big role.