The Yellow River in China winds past aquaculture and an oil and gas field on its way to a newly formed channel. NASA Fifty years ago, U.S. scientists launched a satellite that dramatically changed how ...

NASA's Landsat satellites have consistently made history in Earth observation since the project's first launch in 1972, with this year marking 50 years of innovation and science. Its influence may ...

(THE CONVERSATION) Fifty years ago, U.S. scientists launched a satellite that dramatically changed how we see the world. It captured images of Earth’s surface in minute detail, showing how wildfires ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Stacy Morford, Associated Press national editor and ...