Where Does Climate Change Data Come From?

A Web of Satellites Provides Massive Amounts of Information—And Proof That Global Collaboration Is Possible

It’s starting to feel as though scientists and governments announce new policies and predictions for our warming planet every week. But where do the data undergirding the alarming headlines and dire futurecasts come from? A great deal of what we understand about climate change comes from above. Satellites are one of our best tools for detailing how our actions are impacting the planet.

For decades, scientists have placed specialized sensors aboard orbiting spacecraft to better understand the world we live in. Approximately 4,000 active satellites currently orbit Earth. Most are military-related. …

Scientists Don’t Have to Be Heroes | Zocalo Public Square • Arizona State University • Smithsonian

Scientists Don’t Have to Be Heroes

How NASA and ASU Astronomer Lindy Elkins-Tanton Is Dismantling the Personality-Driven Culture of the Research Laboratory

Two decades ago, NASA’s Psyche mission principal investigator and ASU Interplanetary Initiative vice president Lindy Elkins-Tanton was working toward her PhD at MIT. It was a place she loved, but …

Arrival’s Aliens Reflect How We Treat One Another

We React With Distrust and Paranoia, While They (Literally) Rise Above

In the recently released film Arrival, Earth is visited by an intelligent alien race, the heptapods, and the contact forever changes humanity’s sense of place in the cosmos. The movie …

NASA’s Other Moonshot Helped Revolutionize Marketing

The Apollo Moon Landing Wasn't Supposed to Be Broadcast, Until a Team of Ex-Reporters Pushed for Live TV

On July 20, 1969, an estimated 600 million people watched and listened in real time as astronauts Neil Armstrong and Buzz Aldrin touched down on the surface of the moon. …

Even in Deep Space, There Are Shades of Black

How a Planet Hunter Finds Faint Objects in a Sea of Darkness

In my line of work, I stare at shades of black.

My work starts on dark, black nights, when there is no moon or reflection from it. The telescopes I …

What Do Raindrops Look Like in Outer Space?

How Arizona’s Monsoons Got Me Chasing Storms on Titan

Living in Tucson, Arizona—a Sonoran desert city surrounded by tall mountains—can make you obsess about rain. In 1993, I had just moved into a new office at the University of …