Adam Dean for The New York Times Want to learn more about this popular student activity? Watch this short introduction video and start using this multimedia feature in your classroom.

“Seeing these images cannot fail to motivate one to do everything to protect this fragile planet of ours.We offer our heartfelt congratulations to all the winners.” Prints of the winning ...

A new AI-based system for analyzing images taken over time can accurately ... The researchers designed LILAC to work much more flexibly, in effect automatically performing such corrections and ...